Home / 11,359.38-17,020.80-6,414.33

Finding the Fourth Proportional to 11,359.38, 17,020.80 and 6,414.33

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Solution

The fourth proportional to 11,359.38, 17,020.80 and 6,414.33 is: 9,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.38 : 17,020.80 = 6,414.33 : x
  2. Step 2: Convert to fraction form
    11,359.38/17,020.80 = 6,414.33/x
  3. Step 3: Cross multiply
    11,359.38x = 17,020.80 × 6,414.33
  4. Step 4: Simplify right side
    11,359.38x = 109,177,028.06
  5. Step 5: Solve for x
    x = 109,177,028.06/11,359.38
  6. Step 6: Final answer
    x = 9,611.18

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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.