Home / 12,067.36-18,103.62-3,747.19

Finding the Fourth Proportional to 12,067.36, 18,103.62 and 3,747.19

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Solution

The fourth proportional to 12,067.36, 18,103.62 and 3,747.19 is: 5,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.36 : 18,103.62 = 3,747.19 : x
  2. Step 2: Convert to fraction form
    12,067.36/18,103.62 = 3,747.19/x
  3. Step 3: Cross multiply
    12,067.36x = 18,103.62 × 3,747.19
  4. Step 4: Simplify right side
    12,067.36x = 67,837,594.57
  5. Step 5: Solve for x
    x = 67,837,594.57/12,067.36
  6. Step 6: Final answer
    x = 5,621.58

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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.