Home / 11,920.75-17,884.35-3,601.04

Finding the Fourth Proportional to 11,920.75, 17,884.35 and 3,601.04

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Solution

The fourth proportional to 11,920.75, 17,884.35 and 3,601.04 is: 5,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920.75 : 17,884.35 = 3,601.04 : x
  2. Step 2: Convert to fraction form
    11,920.75/17,884.35 = 3,601.04/x
  3. Step 3: Cross multiply
    11,920.75x = 17,884.35 × 3,601.04
  4. Step 4: Simplify right side
    11,920.75x = 64,402,156.80
  5. Step 5: Solve for x
    x = 64,402,156.80/11,920.75
  6. Step 6: Final answer
    x = 5,402.53

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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.