Home / 11,974.26-17,961.62-3,209.10

Finding the Fourth Proportional to 11,974.26, 17,961.62 and 3,209.10

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Solution

The fourth proportional to 11,974.26, 17,961.62 and 3,209.10 is: 4,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.26 : 17,961.62 = 3,209.10 : x
  2. Step 2: Convert to fraction form
    11,974.26/17,961.62 = 3,209.10/x
  3. Step 3: Cross multiply
    11,974.26x = 17,961.62 × 3,209.10
  4. Step 4: Simplify right side
    11,974.26x = 57,640,618.70
  5. Step 5: Solve for x
    x = 57,640,618.70/11,974.26
  6. Step 6: Final answer
    x = 4,813.71

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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.