Home / 8,104.62-12,146.57-6,251.87

Finding the Fourth Proportional to 8,104.62, 12,146.57 and 6,251.87

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Solution

The fourth proportional to 8,104.62, 12,146.57 and 6,251.87 is: 9,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.62 : 12,146.57 = 6,251.87 : x
  2. Step 2: Convert to fraction form
    8,104.62/12,146.57 = 6,251.87/x
  3. Step 3: Cross multiply
    8,104.62x = 12,146.57 × 6,251.87
  4. Step 4: Simplify right side
    8,104.62x = 75,938,684.59
  5. Step 5: Solve for x
    x = 75,938,684.59/8,104.62
  6. Step 6: Final answer
    x = 9,369.80

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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.