Home / 11,182.14-16,778-3,787.38

Finding the Fourth Proportional to 11,182.14, 16,778 and 3,787.38

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Solution

The fourth proportional to 11,182.14, 16,778 and 3,787.38 is: 5,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.14 : 16,778 = 3,787.38 : x
  2. Step 2: Convert to fraction form
    11,182.14/16,778 = 3,787.38/x
  3. Step 3: Cross multiply
    11,182.14x = 16,778 × 3,787.38
  4. Step 4: Simplify right side
    11,182.14x = 63,544,661.64
  5. Step 5: Solve for x
    x = 63,544,661.64/11,182.14
  6. Step 6: Final answer
    x = 5,682.69

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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.