Home / 7,654,343.40-11,481,515.10-7,069,758.30

Finding the Fourth Proportional to 7,654,343.40, 11,481,515.10 and 7,069,758.30

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Solution

The fourth proportional to 7,654,343.40, 11,481,515.10 and 7,069,758.30 is: 10,604,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654,343.40 : 11,481,515.10 = 7,069,758.30 : x
  2. Step 2: Convert to fraction form
    7,654,343.40/11,481,515.10 = 7,069,758.30/x
  3. Step 3: Cross multiply
    7,654,343.40x = 11,481,515.10 × 7,069,758.30
  4. Step 4: Simplify right side
    7,654,343.40x = 81,171,536,674,800.33
  5. Step 5: Solve for x
    x = 81,171,536,674,800.33/7,654,343.40
  6. Step 6: Final answer
    x = 10,604,637.45

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Half scale
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Double scale
Find fourth proportional to 7,654,344.40, 11,481,516.60 and 7,069,759.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.