Home / 11,601.88-17,383.38-6,391.96

Finding the Fourth Proportional to 11,601.88, 17,383.38 and 6,391.96

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Solution

The fourth proportional to 11,601.88, 17,383.38 and 6,391.96 is: 9,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.88 : 17,383.38 = 6,391.96 : x
  2. Step 2: Convert to fraction form
    11,601.88/17,383.38 = 6,391.96/x
  3. Step 3: Cross multiply
    11,601.88x = 17,383.38 × 6,391.96
  4. Step 4: Simplify right side
    11,601.88x = 111,113,869.62
  5. Step 5: Solve for x
    x = 111,113,869.62/11,601.88
  6. Step 6: Final answer
    x = 9,577.23

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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.