Home / 11,664.75-17,497.13-7,279.95

Finding the Fourth Proportional to 11,664.75, 17,497.13 and 7,279.95

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Solution

The fourth proportional to 11,664.75, 17,497.13 and 7,279.95 is: 10,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.75 : 17,497.13 = 7,279.95 : x
  2. Step 2: Convert to fraction form
    11,664.75/17,497.13 = 7,279.95/x
  3. Step 3: Cross multiply
    11,664.75x = 17,497.13 × 7,279.95
  4. Step 4: Simplify right side
    11,664.75x = 127,378,195.14
  5. Step 5: Solve for x
    x = 127,378,195.14/11,664.75
  6. Step 6: Final answer
    x = 10,919.93

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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.