Home / 7,554.20-11,307.96-7,443.49

Finding the Fourth Proportional to 7,554.20, 11,307.96 and 7,443.49

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Solution

The fourth proportional to 7,554.20, 11,307.96 and 7,443.49 is: 11,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.20 : 11,307.96 = 7,443.49 : x
  2. Step 2: Convert to fraction form
    7,554.20/11,307.96 = 7,443.49/x
  3. Step 3: Cross multiply
    7,554.20x = 11,307.96 × 7,443.49
  4. Step 4: Simplify right side
    7,554.20x = 84,170,649.96
  5. Step 5: Solve for x
    x = 84,170,649.96/7,554.20
  6. Step 6: Final answer
    x = 11,142.23

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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.