Home / 8,222.21-11,343.01-5,710.35

Finding the Fourth Proportional to 8,222.21, 11,343.01 and 5,710.35

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Solution

The fourth proportional to 8,222.21, 11,343.01 and 5,710.35 is: 7,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.21 : 11,343.01 = 5,710.35 : x
  2. Step 2: Convert to fraction form
    8,222.21/11,343.01 = 5,710.35/x
  3. Step 3: Cross multiply
    8,222.21x = 11,343.01 × 5,710.35
  4. Step 4: Simplify right side
    8,222.21x = 64,772,548.38
  5. Step 5: Solve for x
    x = 64,772,548.38/8,222.21
  6. Step 6: Final answer
    x = 7,877.76

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.