Home / 7,982.58-11,961.46-3,049.53

Finding the Fourth Proportional to 7,982.58, 11,961.46 and 3,049.53

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Solution

The fourth proportional to 7,982.58, 11,961.46 and 3,049.53 is: 4,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.58 : 11,961.46 = 3,049.53 : x
  2. Step 2: Convert to fraction form
    7,982.58/11,961.46 = 3,049.53/x
  3. Step 3: Cross multiply
    7,982.58x = 11,961.46 × 3,049.53
  4. Step 4: Simplify right side
    7,982.58x = 36,476,831.11
  5. Step 5: Solve for x
    x = 36,476,831.11/7,982.58
  6. Step 6: Final answer
    x = 4,569.55

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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.