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Finding the Fourth Proportional to 7,969.43, 11,954.13 and 3,796.78

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Solution

The fourth proportional to 7,969.43, 11,954.13 and 3,796.78 is: 5,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.43 : 11,954.13 = 3,796.78 : x
  2. Step 2: Convert to fraction form
    7,969.43/11,954.13 = 3,796.78/x
  3. Step 3: Cross multiply
    7,969.43x = 11,954.13 × 3,796.78
  4. Step 4: Simplify right side
    7,969.43x = 45,387,201.70
  5. Step 5: Solve for x
    x = 45,387,201.70/7,969.43
  6. Step 6: Final answer
    x = 5,695.16

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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.