Home / 7,716.25-11,572.62-2,170.14

Finding the Fourth Proportional to 7,716.25, 11,572.62 and 2,170.14

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Solution

The fourth proportional to 7,716.25, 11,572.62 and 2,170.14 is: 3,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.25 : 11,572.62 = 2,170.14 : x
  2. Step 2: Convert to fraction form
    7,716.25/11,572.62 = 2,170.14/x
  3. Step 3: Cross multiply
    7,716.25x = 11,572.62 × 2,170.14
  4. Step 4: Simplify right side
    7,716.25x = 25,114,147.70
  5. Step 5: Solve for x
    x = 25,114,147.70/7,716.25
  6. Step 6: Final answer
    x = 3,254.71

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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.