Home / 12,047.36-18,067.57-4,149.56

Finding the Fourth Proportional to 12,047.36, 18,067.57 and 4,149.56

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Solution

The fourth proportional to 12,047.36, 18,067.57 and 4,149.56 is: 6,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.36 : 18,067.57 = 4,149.56 : x
  2. Step 2: Convert to fraction form
    12,047.36/18,067.57 = 4,149.56/x
  3. Step 3: Cross multiply
    12,047.36x = 18,067.57 × 4,149.56
  4. Step 4: Simplify right side
    12,047.36x = 74,972,375.43
  5. Step 5: Solve for x
    x = 74,972,375.43/12,047.36
  6. Step 6: Final answer
    x = 6,223.14

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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.