Home / 10,531.59-15,760.20-9,932.12

Finding the Fourth Proportional to 10,531.59, 15,760.20 and 9,932.12

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Solution

The fourth proportional to 10,531.59, 15,760.20 and 9,932.12 is: 14,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.59 : 15,760.20 = 9,932.12 : x
  2. Step 2: Convert to fraction form
    10,531.59/15,760.20 = 9,932.12/x
  3. Step 3: Cross multiply
    10,531.59x = 15,760.20 × 9,932.12
  4. Step 4: Simplify right side
    10,531.59x = 156,532,215.17
  5. Step 5: Solve for x
    x = 156,532,215.17/10,531.59
  6. Step 6: Final answer
    x = 14,863.12

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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.