Home / 8,540.24-12,812.18-5,033.75

Finding the Fourth Proportional to 8,540.24, 12,812.18 and 5,033.75

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Solution

The fourth proportional to 8,540.24, 12,812.18 and 5,033.75 is: 7,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.24 : 12,812.18 = 5,033.75 : x
  2. Step 2: Convert to fraction form
    8,540.24/12,812.18 = 5,033.75/x
  3. Step 3: Cross multiply
    8,540.24x = 12,812.18 × 5,033.75
  4. Step 4: Simplify right side
    8,540.24x = 64,493,221.85
  5. Step 5: Solve for x
    x = 64,493,221.85/8,540.24
  6. Step 6: Final answer
    x = 7,551.69

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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.