Home / 10,432.80-15,651.52-3,037.86

Finding the Fourth Proportional to 10,432.80, 15,651.52 and 3,037.86

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Solution

The fourth proportional to 10,432.80, 15,651.52 and 3,037.86 is: 4,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.80 : 15,651.52 = 3,037.86 : x
  2. Step 2: Convert to fraction form
    10,432.80/15,651.52 = 3,037.86/x
  3. Step 3: Cross multiply
    10,432.80x = 15,651.52 × 3,037.86
  4. Step 4: Simplify right side
    10,432.80x = 47,547,126.55
  5. Step 5: Solve for x
    x = 47,547,126.55/10,432.80
  6. Step 6: Final answer
    x = 4,557.47

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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.