Home / 8,749.62-13,125.24-5,819.04

Finding the Fourth Proportional to 8,749.62, 13,125.24 and 5,819.04

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Solution

The fourth proportional to 8,749.62, 13,125.24 and 5,819.04 is: 8,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.62 : 13,125.24 = 5,819.04 : x
  2. Step 2: Convert to fraction form
    8,749.62/13,125.24 = 5,819.04/x
  3. Step 3: Cross multiply
    8,749.62x = 13,125.24 × 5,819.04
  4. Step 4: Simplify right side
    8,749.62x = 76,376,296.57
  5. Step 5: Solve for x
    x = 76,376,296.57/8,749.62
  6. Step 6: Final answer
    x = 8,729.10

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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.