Home / 8,432.92-12,654.34-3,753.14

Finding the Fourth Proportional to 8,432.92, 12,654.34 and 3,753.14

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Solution

The fourth proportional to 8,432.92, 12,654.34 and 3,753.14 is: 5,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.92 : 12,654.34 = 3,753.14 : x
  2. Step 2: Convert to fraction form
    8,432.92/12,654.34 = 3,753.14/x
  3. Step 3: Cross multiply
    8,432.92x = 12,654.34 × 3,753.14
  4. Step 4: Simplify right side
    8,432.92x = 47,493,531.88
  5. Step 5: Solve for x
    x = 47,493,531.88/8,432.92
  6. Step 6: Final answer
    x = 5,631.92

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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.