Home / 8,079.48-11,149.20-4,542.66

Finding the Fourth Proportional to 8,079.48, 11,149.20 and 4,542.66

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Solution

The fourth proportional to 8,079.48, 11,149.20 and 4,542.66 is: 6,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.48 : 11,149.20 = 4,542.66 : x
  2. Step 2: Convert to fraction form
    8,079.48/11,149.20 = 4,542.66/x
  3. Step 3: Cross multiply
    8,079.48x = 11,149.20 × 4,542.66
  4. Step 4: Simplify right side
    8,079.48x = 50,647,024.87
  5. Step 5: Solve for x
    x = 50,647,024.87/8,079.48
  6. Step 6: Final answer
    x = 6,268.60

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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.