Home / 12,131.49-18,197.24-3,366.41

Finding the Fourth Proportional to 12,131.49, 18,197.24 and 3,366.41

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Solution

The fourth proportional to 12,131.49, 18,197.24 and 3,366.41 is: 5,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.49 : 18,197.24 = 3,366.41 : x
  2. Step 2: Convert to fraction form
    12,131.49/18,197.24 = 3,366.41/x
  3. Step 3: Cross multiply
    12,131.49x = 18,197.24 × 3,366.41
  4. Step 4: Simplify right side
    12,131.49x = 61,259,399.37
  5. Step 5: Solve for x
    x = 61,259,399.37/12,131.49
  6. Step 6: Final answer
    x = 5,049.62

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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.