Home / 8,874.27-13,287.90-5,359.59

Finding the Fourth Proportional to 8,874.27, 13,287.90 and 5,359.59

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Solution

The fourth proportional to 8,874.27, 13,287.90 and 5,359.59 is: 8,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.27 : 13,287.90 = 5,359.59 : x
  2. Step 2: Convert to fraction form
    8,874.27/13,287.90 = 5,359.59/x
  3. Step 3: Cross multiply
    8,874.27x = 13,287.90 × 5,359.59
  4. Step 4: Simplify right side
    8,874.27x = 71,217,695.96
  5. Step 5: Solve for x
    x = 71,217,695.96/8,874.27
  6. Step 6: Final answer
    x = 8,025.19

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1.5x scale

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.