Home / 6,982.46-9,635.82-3,838.85

Finding the Fourth Proportional to 6,982.46, 9,635.82 and 3,838.85

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Solution

The fourth proportional to 6,982.46, 9,635.82 and 3,838.85 is: 5,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.46 : 9,635.82 = 3,838.85 : x
  2. Step 2: Convert to fraction form
    6,982.46/9,635.82 = 3,838.85/x
  3. Step 3: Cross multiply
    6,982.46x = 9,635.82 × 3,838.85
  4. Step 4: Simplify right side
    6,982.46x = 36,990,419.43
  5. Step 5: Solve for x
    x = 36,990,419.43/6,982.46
  6. Step 6: Final answer
    x = 5,297.62

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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.