Home / 11,226.88-16,832-5,377.92

Finding the Fourth Proportional to 11,226.88, 16,832 and 5,377.92

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Solution

The fourth proportional to 11,226.88, 16,832 and 5,377.92 is: 8,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.88 : 16,832 = 5,377.92 : x
  2. Step 2: Convert to fraction form
    11,226.88/16,832 = 5,377.92/x
  3. Step 3: Cross multiply
    11,226.88x = 16,832 × 5,377.92
  4. Step 4: Simplify right side
    11,226.88x = 90,521,149.44
  5. Step 5: Solve for x
    x = 90,521,149.44/11,226.88
  6. Step 6: Final answer
    x = 8,062.89

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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.