Home / 8,079.46-11,149.82-4,722.42

Finding the Fourth Proportional to 8,079.46, 11,149.82 and 4,722.42

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Solution

The fourth proportional to 8,079.46, 11,149.82 and 4,722.42 is: 6,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.46 : 11,149.82 = 4,722.42 : x
  2. Step 2: Convert to fraction form
    8,079.46/11,149.82 = 4,722.42/x
  3. Step 3: Cross multiply
    8,079.46x = 11,149.82 × 4,722.42
  4. Step 4: Simplify right side
    8,079.46x = 52,654,053.60
  5. Step 5: Solve for x
    x = 52,654,053.60/8,079.46
  6. Step 6: Final answer
    x = 6,517.03

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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.