Home / 10,373.68-15,565.17-5,631.28

Finding the Fourth Proportional to 10,373.68, 15,565.17 and 5,631.28

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Solution

The fourth proportional to 10,373.68, 15,565.17 and 5,631.28 is: 8,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.68 : 15,565.17 = 5,631.28 : x
  2. Step 2: Convert to fraction form
    10,373.68/15,565.17 = 5,631.28/x
  3. Step 3: Cross multiply
    10,373.68x = 15,565.17 × 5,631.28
  4. Step 4: Simplify right side
    10,373.68x = 87,651,830.52
  5. Step 5: Solve for x
    x = 87,651,830.52/10,373.68
  6. Step 6: Final answer
    x = 8,449.44

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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.