Home / 11,185.14-16,778.46-3,787.07

Finding the Fourth Proportional to 11,185.14, 16,778.46 and 3,787.07

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Solution

The fourth proportional to 11,185.14, 16,778.46 and 3,787.07 is: 5,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.14 : 16,778.46 = 3,787.07 : x
  2. Step 2: Convert to fraction form
    11,185.14/16,778.46 = 3,787.07/x
  3. Step 3: Cross multiply
    11,185.14x = 16,778.46 × 3,787.07
  4. Step 4: Simplify right side
    11,185.14x = 63,541,202.51
  5. Step 5: Solve for x
    x = 63,541,202.51/11,185.14
  6. Step 6: Final answer
    x = 5,680.86

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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.