Home / 12,249.92-18,376.51-3,927.17

Finding the Fourth Proportional to 12,249.92, 18,376.51 and 3,927.17

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Solution

The fourth proportional to 12,249.92, 18,376.51 and 3,927.17 is: 5,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.92 : 18,376.51 = 3,927.17 : x
  2. Step 2: Convert to fraction form
    12,249.92/18,376.51 = 3,927.17/x
  3. Step 3: Cross multiply
    12,249.92x = 18,376.51 × 3,927.17
  4. Step 4: Simplify right side
    12,249.92x = 72,167,678.78
  5. Step 5: Solve for x
    x = 72,167,678.78/12,249.92
  6. Step 6: Final answer
    x = 5,891.28

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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.