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Finding the Fourth Proportional to 6,843.97, 10,266.61 and 3,147.23

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Solution

The fourth proportional to 6,843.97, 10,266.61 and 3,147.23 is: 4,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.97 : 10,266.61 = 3,147.23 : x
  2. Step 2: Convert to fraction form
    6,843.97/10,266.61 = 3,147.23/x
  3. Step 3: Cross multiply
    6,843.97x = 10,266.61 × 3,147.23
  4. Step 4: Simplify right side
    6,843.97x = 32,311,382.99
  5. Step 5: Solve for x
    x = 32,311,382.99/6,843.97
  6. Step 6: Final answer
    x = 4,721.15

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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.