Home / 12,132.12-18,198.17-3,367.04

Finding the Fourth Proportional to 12,132.12, 18,198.17 and 3,367.04

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Solution

The fourth proportional to 12,132.12, 18,198.17 and 3,367.04 is: 5,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.12 : 18,198.17 = 3,367.04 : x
  2. Step 2: Convert to fraction form
    12,132.12/18,198.17 = 3,367.04/x
  3. Step 3: Cross multiply
    12,132.12x = 18,198.17 × 3,367.04
  4. Step 4: Simplify right side
    12,132.12x = 61,273,883.74
  5. Step 5: Solve for x
    x = 61,273,883.74/12,132.12
  6. Step 6: Final answer
    x = 5,050.55

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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.