Home / 12,107.22-18,160.92-3,342.60

Finding the Fourth Proportional to 12,107.22, 18,160.92 and 3,342.60

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Solution

The fourth proportional to 12,107.22, 18,160.92 and 3,342.60 is: 5,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.22 : 18,160.92 = 3,342.60 : x
  2. Step 2: Convert to fraction form
    12,107.22/18,160.92 = 3,342.60/x
  3. Step 3: Cross multiply
    12,107.22x = 18,160.92 × 3,342.60
  4. Step 4: Simplify right side
    12,107.22x = 60,704,691.19
  5. Step 5: Solve for x
    x = 60,704,691.19/12,107.22
  6. Step 6: Final answer
    x = 5,013.92

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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.