Home / 6,850.56-10,278.12-2,171.18

Finding the Fourth Proportional to 6,850.56, 10,278.12 and 2,171.18

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Solution

The fourth proportional to 6,850.56, 10,278.12 and 2,171.18 is: 3,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,850.56 : 10,278.12 = 2,171.18 : x
  2. Step 2: Convert to fraction form
    6,850.56/10,278.12 = 2,171.18/x
  3. Step 3: Cross multiply
    6,850.56x = 10,278.12 × 2,171.18
  4. Step 4: Simplify right side
    6,850.56x = 22,315,648.58
  5. Step 5: Solve for x
    x = 22,315,648.58/6,850.56
  6. Step 6: Final answer
    x = 3,257.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.