Home / 12,253.92-18,380.97-3,933.93

Finding the Fourth Proportional to 12,253.92, 18,380.97 and 3,933.93

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Solution

The fourth proportional to 12,253.92, 18,380.97 and 3,933.93 is: 5,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.92 : 18,380.97 = 3,933.93 : x
  2. Step 2: Convert to fraction form
    12,253.92/18,380.97 = 3,933.93/x
  3. Step 3: Cross multiply
    12,253.92x = 18,380.97 × 3,933.93
  4. Step 4: Simplify right side
    12,253.92x = 72,309,449.31
  5. Step 5: Solve for x
    x = 72,309,449.31/12,253.92
  6. Step 6: Final answer
    x = 5,900.92

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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.