Home / 12,131.11-18,196.67-3,366.03

Finding the Fourth Proportional to 12,131.11, 18,196.67 and 3,366.03

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Solution

The fourth proportional to 12,131.11, 18,196.67 and 3,366.03 is: 5,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.11 : 18,196.67 = 3,366.03 : x
  2. Step 2: Convert to fraction form
    12,131.11/18,196.67 = 3,366.03/x
  3. Step 3: Cross multiply
    12,131.11x = 18,196.67 × 3,366.03
  4. Step 4: Simplify right side
    12,131.11x = 61,250,545.54
  5. Step 5: Solve for x
    x = 61,250,545.54/12,131.11
  6. Step 6: Final answer
    x = 5,049.05

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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.