Home / 8,079.62-11,149.75-4,542.83

Finding the Fourth Proportional to 8,079.62, 11,149.75 and 4,542.83

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Solution

The fourth proportional to 8,079.62, 11,149.75 and 4,542.83 is: 6,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.62 : 11,149.75 = 4,542.83 : x
  2. Step 2: Convert to fraction form
    8,079.62/11,149.75 = 4,542.83/x
  3. Step 3: Cross multiply
    8,079.62x = 11,149.75 × 4,542.83
  4. Step 4: Simplify right side
    8,079.62x = 50,651,410.53
  5. Step 5: Solve for x
    x = 50,651,410.53/8,079.62
  6. Step 6: Final answer
    x = 6,269.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.