Home / 8,264.31-12,397.25-2,717.70

Finding the Fourth Proportional to 8,264.31, 12,397.25 and 2,717.70

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Solution

The fourth proportional to 8,264.31, 12,397.25 and 2,717.70 is: 4,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.31 : 12,397.25 = 2,717.70 : x
  2. Step 2: Convert to fraction form
    8,264.31/12,397.25 = 2,717.70/x
  3. Step 3: Cross multiply
    8,264.31x = 12,397.25 × 2,717.70
  4. Step 4: Simplify right side
    8,264.31x = 33,691,930.75
  5. Step 5: Solve for x
    x = 33,691,930.75/8,264.31
  6. Step 6: Final answer
    x = 4,076.80

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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.