Home / 8,074.25-12,116.08-3,393.92

Finding the Fourth Proportional to 8,074.25, 12,116.08 and 3,393.92

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Solution

The fourth proportional to 8,074.25, 12,116.08 and 3,393.92 is: 5,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.25 : 12,116.08 = 3,393.92 : x
  2. Step 2: Convert to fraction form
    8,074.25/12,116.08 = 3,393.92/x
  3. Step 3: Cross multiply
    8,074.25x = 12,116.08 × 3,393.92
  4. Step 4: Simplify right side
    8,074.25x = 41,120,972.61
  5. Step 5: Solve for x
    x = 41,120,972.61/8,074.25
  6. Step 6: Final answer
    x = 5,092.85

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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.