Home / 8,195.82-12,292.22-2,191.97

Finding the Fourth Proportional to 8,195.82, 12,292.22 and 2,191.97

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Solution

The fourth proportional to 8,195.82, 12,292.22 and 2,191.97 is: 3,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.82 : 12,292.22 = 2,191.97 : x
  2. Step 2: Convert to fraction form
    8,195.82/12,292.22 = 2,191.97/x
  3. Step 3: Cross multiply
    8,195.82x = 12,292.22 × 2,191.97
  4. Step 4: Simplify right side
    8,195.82x = 26,944,167.59
  5. Step 5: Solve for x
    x = 26,944,167.59/8,195.82
  6. Step 6: Final answer
    x = 3,287.55

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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.