Home / 9,279.17-13,912.46-3,432.59

Finding the Fourth Proportional to 9,279.17, 13,912.46 and 3,432.59

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Solution

The fourth proportional to 9,279.17, 13,912.46 and 3,432.59 is: 5,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.17 : 13,912.46 = 3,432.59 : x
  2. Step 2: Convert to fraction form
    9,279.17/13,912.46 = 3,432.59/x
  3. Step 3: Cross multiply
    9,279.17x = 13,912.46 × 3,432.59
  4. Step 4: Simplify right side
    9,279.17x = 47,755,753.91
  5. Step 5: Solve for x
    x = 47,755,753.91/9,279.17
  6. Step 6: Final answer
    x = 5,146.55

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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.