Home / 8,376.38-12,560.94-2,531.64

Finding the Fourth Proportional to 8,376.38, 12,560.94 and 2,531.64

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Solution

The fourth proportional to 8,376.38, 12,560.94 and 2,531.64 is: 3,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.38 : 12,560.94 = 2,531.64 : x
  2. Step 2: Convert to fraction form
    8,376.38/12,560.94 = 2,531.64/x
  3. Step 3: Cross multiply
    8,376.38x = 12,560.94 × 2,531.64
  4. Step 4: Simplify right side
    8,376.38x = 31,799,778.14
  5. Step 5: Solve for x
    x = 31,799,778.14/8,376.38
  6. Step 6: Final answer
    x = 3,796.36

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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.