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Finding the Fourth Proportional to 6,805.97, 9,391.03 and 3,821.93

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Solution

The fourth proportional to 6,805.97, 9,391.03 and 3,821.93 is: 5,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.97 : 9,391.03 = 3,821.93 : x
  2. Step 2: Convert to fraction form
    6,805.97/9,391.03 = 3,821.93/x
  3. Step 3: Cross multiply
    6,805.97x = 9,391.03 × 3,821.93
  4. Step 4: Simplify right side
    6,805.97x = 35,891,859.29
  5. Step 5: Solve for x
    x = 35,891,859.29/6,805.97
  6. Step 6: Final answer
    x = 5,273.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.