Home / 11,432.28-17,142.50-4,414.74

Finding the Fourth Proportional to 11,432.28, 17,142.50 and 4,414.74

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Solution

The fourth proportional to 11,432.28, 17,142.50 and 4,414.74 is: 6,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.28 : 17,142.50 = 4,414.74 : x
  2. Step 2: Convert to fraction form
    11,432.28/17,142.50 = 4,414.74/x
  3. Step 3: Cross multiply
    11,432.28x = 17,142.50 × 4,414.74
  4. Step 4: Simplify right side
    11,432.28x = 75,679,680.45
  5. Step 5: Solve for x
    x = 75,679,680.45/11,432.28
  6. Step 6: Final answer
    x = 6,619.82

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1.5x scale

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.