Home / 12,067.70-18,101.52-3,747.48

Finding the Fourth Proportional to 12,067.70, 18,101.52 and 3,747.48

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Solution

The fourth proportional to 12,067.70, 18,101.52 and 3,747.48 is: 5,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.70 : 18,101.52 = 3,747.48 : x
  2. Step 2: Convert to fraction form
    12,067.70/18,101.52 = 3,747.48/x
  3. Step 3: Cross multiply
    12,067.70x = 18,101.52 × 3,747.48
  4. Step 4: Simplify right side
    12,067.70x = 67,835,084.17
  5. Step 5: Solve for x
    x = 67,835,084.17/12,067.70
  6. Step 6: Final answer
    x = 5,621.21

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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.