Home / 6,838.25-9,436.78-3,694.43

Finding the Fourth Proportional to 6,838.25, 9,436.78 and 3,694.43

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Solution

The fourth proportional to 6,838.25, 9,436.78 and 3,694.43 is: 5,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.25 : 9,436.78 = 3,694.43 : x
  2. Step 2: Convert to fraction form
    6,838.25/9,436.78 = 3,694.43/x
  3. Step 3: Cross multiply
    6,838.25x = 9,436.78 × 3,694.43
  4. Step 4: Simplify right side
    6,838.25x = 34,863,551.35
  5. Step 5: Solve for x
    x = 34,863,551.35/6,838.25
  6. Step 6: Final answer
    x = 5,098.32

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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.