Home / 8,079.22-11,149.95-4,542.76

Finding the Fourth Proportional to 8,079.22, 11,149.95 and 4,542.76

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Solution

The fourth proportional to 8,079.22, 11,149.95 and 4,542.76 is: 6,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.22 : 11,149.95 = 4,542.76 : x
  2. Step 2: Convert to fraction form
    8,079.22/11,149.95 = 4,542.76/x
  3. Step 3: Cross multiply
    8,079.22x = 11,149.95 × 4,542.76
  4. Step 4: Simplify right side
    8,079.22x = 50,651,546.86
  5. Step 5: Solve for x
    x = 50,651,546.86/8,079.22
  6. Step 6: Final answer
    x = 6,269.36

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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.