Home / 12,134.25-18,201.35-6,936.48

Finding the Fourth Proportional to 12,134.25, 18,201.35 and 6,936.48

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Solution

The fourth proportional to 12,134.25, 18,201.35 and 6,936.48 is: 10,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.25 : 18,201.35 = 6,936.48 : x
  2. Step 2: Convert to fraction form
    12,134.25/18,201.35 = 6,936.48/x
  3. Step 3: Cross multiply
    12,134.25x = 18,201.35 × 6,936.48
  4. Step 4: Simplify right side
    12,134.25x = 126,253,317.59
  5. Step 5: Solve for x
    x = 126,253,317.59/12,134.25
  6. Step 6: Final answer
    x = 10,404.71

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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.