Home / 12,067.45-18,100.06-4,169.25

Finding the Fourth Proportional to 12,067.45, 18,100.06 and 4,169.25

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Solution

The fourth proportional to 12,067.45, 18,100.06 and 4,169.25 is: 6,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.45 : 18,100.06 = 4,169.25 : x
  2. Step 2: Convert to fraction form
    12,067.45/18,100.06 = 4,169.25/x
  3. Step 3: Cross multiply
    12,067.45x = 18,100.06 × 4,169.25
  4. Step 4: Simplify right side
    12,067.45x = 75,463,675.16
  5. Step 5: Solve for x
    x = 75,463,675.16/12,067.45
  6. Step 6: Final answer
    x = 6,253.49

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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.