Home / 10,372.92-15,561.20-3,354.47

Finding the Fourth Proportional to 10,372.92, 15,561.20 and 3,354.47

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Solution

The fourth proportional to 10,372.92, 15,561.20 and 3,354.47 is: 5,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.92 : 15,561.20 = 3,354.47 : x
  2. Step 2: Convert to fraction form
    10,372.92/15,561.20 = 3,354.47/x
  3. Step 3: Cross multiply
    10,372.92x = 15,561.20 × 3,354.47
  4. Step 4: Simplify right side
    10,372.92x = 52,199,578.56
  5. Step 5: Solve for x
    x = 52,199,578.56/10,372.92
  6. Step 6: Final answer
    x = 5,032.29

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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.