Home / 12,169.11-18,249.20-5,927.25

Finding the Fourth Proportional to 12,169.11, 18,249.20 and 5,927.25

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Solution

The fourth proportional to 12,169.11, 18,249.20 and 5,927.25 is: 8,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.11 : 18,249.20 = 5,927.25 : x
  2. Step 2: Convert to fraction form
    12,169.11/18,249.20 = 5,927.25/x
  3. Step 3: Cross multiply
    12,169.11x = 18,249.20 × 5,927.25
  4. Step 4: Simplify right side
    12,169.11x = 108,167,570.70
  5. Step 5: Solve for x
    x = 108,167,570.70/12,169.11
  6. Step 6: Final answer
    x = 8,888.70

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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.