Home / 11,981.88-17,960.49-4,584.33

Finding the Fourth Proportional to 11,981.88, 17,960.49 and 4,584.33

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Solution

The fourth proportional to 11,981.88, 17,960.49 and 4,584.33 is: 6,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.88 : 17,960.49 = 4,584.33 : x
  2. Step 2: Convert to fraction form
    11,981.88/17,960.49 = 4,584.33/x
  3. Step 3: Cross multiply
    11,981.88x = 17,960.49 × 4,584.33
  4. Step 4: Simplify right side
    11,981.88x = 82,336,813.12
  5. Step 5: Solve for x
    x = 82,336,813.12/11,981.88
  6. Step 6: Final answer
    x = 6,871.78

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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.