Home / 7,975.14-11,963.25-2,132.34

Finding the Fourth Proportional to 7,975.14, 11,963.25 and 2,132.34

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Solution

The fourth proportional to 7,975.14, 11,963.25 and 2,132.34 is: 3,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.14 : 11,963.25 = 2,132.34 : x
  2. Step 2: Convert to fraction form
    7,975.14/11,963.25 = 2,132.34/x
  3. Step 3: Cross multiply
    7,975.14x = 11,963.25 × 2,132.34
  4. Step 4: Simplify right side
    7,975.14x = 25,509,716.51
  5. Step 5: Solve for x
    x = 25,509,716.51/7,975.14
  6. Step 6: Final answer
    x = 3,198.65

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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.