Home / 8,114.70-12,171.97-2,568.05

Finding the Fourth Proportional to 8,114.70, 12,171.97 and 2,568.05

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Solution

The fourth proportional to 8,114.70, 12,171.97 and 2,568.05 is: 3,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.70 : 12,171.97 = 2,568.05 : x
  2. Step 2: Convert to fraction form
    8,114.70/12,171.97 = 2,568.05/x
  3. Step 3: Cross multiply
    8,114.70x = 12,171.97 × 2,568.05
  4. Step 4: Simplify right side
    8,114.70x = 31,258,227.56
  5. Step 5: Solve for x
    x = 31,258,227.56/8,114.70
  6. Step 6: Final answer
    x = 3,852.05

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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.