Home / 10,331.10-15,475.05-5,708.70

Finding the Fourth Proportional to 10,331.10, 15,475.05 and 5,708.70

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Solution

The fourth proportional to 10,331.10, 15,475.05 and 5,708.70 is: 8,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.10 : 15,475.05 = 5,708.70 : x
  2. Step 2: Convert to fraction form
    10,331.10/15,475.05 = 5,708.70/x
  3. Step 3: Cross multiply
    10,331.10x = 15,475.05 × 5,708.70
  4. Step 4: Simplify right side
    10,331.10x = 88,342,417.94
  5. Step 5: Solve for x
    x = 88,342,417.94/10,331.10
  6. Step 6: Final answer
    x = 8,551.11

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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.