Home / 11,191.78-16,787.22-3,796.26

Finding the Fourth Proportional to 11,191.78, 16,787.22 and 3,796.26

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Solution

The fourth proportional to 11,191.78, 16,787.22 and 3,796.26 is: 5,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.78 : 16,787.22 = 3,796.26 : x
  2. Step 2: Convert to fraction form
    11,191.78/16,787.22 = 3,796.26/x
  3. Step 3: Cross multiply
    11,191.78x = 16,787.22 × 3,796.26
  4. Step 4: Simplify right side
    11,191.78x = 63,728,651.80
  5. Step 5: Solve for x
    x = 63,728,651.80/11,191.78
  6. Step 6: Final answer
    x = 5,694.24

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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.