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Finding the Fourth Proportional to 6,837.94, 9,436.36 and 3,694.13

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Solution

The fourth proportional to 6,837.94, 9,436.36 and 3,694.13 is: 5,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.94 : 9,436.36 = 3,694.13 : x
  2. Step 2: Convert to fraction form
    6,837.94/9,436.36 = 3,694.13/x
  3. Step 3: Cross multiply
    6,837.94x = 9,436.36 × 3,694.13
  4. Step 4: Simplify right side
    6,837.94x = 34,859,140.57
  5. Step 5: Solve for x
    x = 34,859,140.57/6,837.94
  6. Step 6: Final answer
    x = 5,097.90

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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.