Home / 8,117.26-12,176.50-2,571.04

Finding the Fourth Proportional to 8,117.26, 12,176.50 and 2,571.04

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Solution

The fourth proportional to 8,117.26, 12,176.50 and 2,571.04 is: 3,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.26 : 12,176.50 = 2,571.04 : x
  2. Step 2: Convert to fraction form
    8,117.26/12,176.50 = 2,571.04/x
  3. Step 3: Cross multiply
    8,117.26x = 12,176.50 × 2,571.04
  4. Step 4: Simplify right side
    8,117.26x = 31,306,268.56
  5. Step 5: Solve for x
    x = 31,306,268.56/8,117.26
  6. Step 6: Final answer
    x = 3,856.75

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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.