Home / 6,847.62-9,449.56-3,863.38

Finding the Fourth Proportional to 6,847.62, 9,449.56 and 3,863.38

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Solution

The fourth proportional to 6,847.62, 9,449.56 and 3,863.38 is: 5,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.62 : 9,449.56 = 3,863.38 : x
  2. Step 2: Convert to fraction form
    6,847.62/9,449.56 = 3,863.38/x
  3. Step 3: Cross multiply
    6,847.62x = 9,449.56 × 3,863.38
  4. Step 4: Simplify right side
    6,847.62x = 36,507,257.75
  5. Step 5: Solve for x
    x = 36,507,257.75/6,847.62
  6. Step 6: Final answer
    x = 5,331.38

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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.