Home / 8,860.16-13,292.68-3,591.92

Finding the Fourth Proportional to 8,860.16, 13,292.68 and 3,591.92

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Solution

The fourth proportional to 8,860.16, 13,292.68 and 3,591.92 is: 5,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.16 : 13,292.68 = 3,591.92 : x
  2. Step 2: Convert to fraction form
    8,860.16/13,292.68 = 3,591.92/x
  3. Step 3: Cross multiply
    8,860.16x = 13,292.68 × 3,591.92
  4. Step 4: Simplify right side
    8,860.16x = 47,746,243.15
  5. Step 5: Solve for x
    x = 47,746,243.15/8,860.16
  6. Step 6: Final answer
    x = 5,388.87

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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.