Home / 7,976.35-11,963.61-2,133.43

Finding the Fourth Proportional to 7,976.35, 11,963.61 and 2,133.43

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Solution

The fourth proportional to 7,976.35, 11,963.61 and 2,133.43 is: 3,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.35 : 11,963.61 = 2,133.43 : x
  2. Step 2: Convert to fraction form
    7,976.35/11,963.61 = 2,133.43/x
  3. Step 3: Cross multiply
    7,976.35x = 11,963.61 × 2,133.43
  4. Step 4: Simplify right side
    7,976.35x = 25,523,524.48
  5. Step 5: Solve for x
    x = 25,523,524.48/7,976.35
  6. Step 6: Final answer
    x = 3,199.90

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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.