Home / 11,272.62-16,896.99-4,249.59

Finding the Fourth Proportional to 11,272.62, 16,896.99 and 4,249.59

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Solution

The fourth proportional to 11,272.62, 16,896.99 and 4,249.59 is: 6,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.62 : 16,896.99 = 4,249.59 : x
  2. Step 2: Convert to fraction form
    11,272.62/16,896.99 = 4,249.59/x
  3. Step 3: Cross multiply
    11,272.62x = 16,896.99 × 4,249.59
  4. Step 4: Simplify right side
    11,272.62x = 71,805,279.73
  5. Step 5: Solve for x
    x = 71,805,279.73/11,272.62
  6. Step 6: Final answer
    x = 6,369.88

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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.