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Finding the Fourth Proportional to 11,792.88, 17,708.13 and 6,866.10

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Solution

The fourth proportional to 11,792.88, 17,708.13 and 6,866.10 is: 10,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.88 : 17,708.13 = 6,866.10 : x
  2. Step 2: Convert to fraction form
    11,792.88/17,708.13 = 6,866.10/x
  3. Step 3: Cross multiply
    11,792.88x = 17,708.13 × 6,866.10
  4. Step 4: Simplify right side
    11,792.88x = 121,585,791.39
  5. Step 5: Solve for x
    x = 121,585,791.39/11,792.88
  6. Step 6: Final answer
    x = 10,310.10

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1.5x scale

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.