Home / 10,342.46-15,517.20-4,502.90

Finding the Fourth Proportional to 10,342.46, 15,517.20 and 4,502.90

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Solution

The fourth proportional to 10,342.46, 15,517.20 and 4,502.90 is: 6,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.46 : 15,517.20 = 4,502.90 : x
  2. Step 2: Convert to fraction form
    10,342.46/15,517.20 = 4,502.90/x
  3. Step 3: Cross multiply
    10,342.46x = 15,517.20 × 4,502.90
  4. Step 4: Simplify right side
    10,342.46x = 69,872,399.88
  5. Step 5: Solve for x
    x = 69,872,399.88/10,342.46
  6. Step 6: Final answer
    x = 6,755.88

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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.