Home / 12,444.38-17,167.79-8,189.96

Finding the Fourth Proportional to 12,444.38, 17,167.79 and 8,189.96

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Solution

The fourth proportional to 12,444.38, 17,167.79 and 8,189.96 is: 11,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.38 : 17,167.79 = 8,189.96 : x
  2. Step 2: Convert to fraction form
    12,444.38/17,167.79 = 8,189.96/x
  3. Step 3: Cross multiply
    12,444.38x = 17,167.79 × 8,189.96
  4. Step 4: Simplify right side
    12,444.38x = 140,603,472.44
  5. Step 5: Solve for x
    x = 140,603,472.44/12,444.38
  6. Step 6: Final answer
    x = 11,298.56

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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.