Home / 11,184.14-16,781-3,789.38

Finding the Fourth Proportional to 11,184.14, 16,781 and 3,789.38

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Solution

The fourth proportional to 11,184.14, 16,781 and 3,789.38 is: 5,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.14 : 16,781 = 3,789.38 : x
  2. Step 2: Convert to fraction form
    11,184.14/16,781 = 3,789.38/x
  3. Step 3: Cross multiply
    11,184.14x = 16,781 × 3,789.38
  4. Step 4: Simplify right side
    11,184.14x = 63,589,585.78
  5. Step 5: Solve for x
    x = 63,589,585.78/11,184.14
  6. Step 6: Final answer
    x = 5,685.69

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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.