Home / 7,974.26-11,960.46-2,131.33

Finding the Fourth Proportional to 7,974.26, 11,960.46 and 2,131.33

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Solution

The fourth proportional to 7,974.26, 11,960.46 and 2,131.33 is: 3,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.26 : 11,960.46 = 2,131.33 : x
  2. Step 2: Convert to fraction form
    7,974.26/11,960.46 = 2,131.33/x
  3. Step 3: Cross multiply
    7,974.26x = 11,960.46 × 2,131.33
  4. Step 4: Simplify right side
    7,974.26x = 25,491,687.21
  5. Step 5: Solve for x
    x = 25,491,687.21/7,974.26
  6. Step 6: Final answer
    x = 3,196.75

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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.