Home / 8,118.62-12,182.20-5,761.92

Finding the Fourth Proportional to 8,118.62, 12,182.20 and 5,761.92

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Solution

The fourth proportional to 8,118.62, 12,182.20 and 5,761.92 is: 8,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.62 : 12,182.20 = 5,761.92 : x
  2. Step 2: Convert to fraction form
    8,118.62/12,182.20 = 5,761.92/x
  3. Step 3: Cross multiply
    8,118.62x = 12,182.20 × 5,761.92
  4. Step 4: Simplify right side
    8,118.62x = 70,192,876.23
  5. Step 5: Solve for x
    x = 70,192,876.23/8,118.62
  6. Step 6: Final answer
    x = 8,645.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.