Home / 7,974.89-11,956.39-5,502.66

Finding the Fourth Proportional to 7,974.89, 11,956.39 and 5,502.66

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Solution

The fourth proportional to 7,974.89, 11,956.39 and 5,502.66 is: 8,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.89 : 11,956.39 = 5,502.66 : x
  2. Step 2: Convert to fraction form
    7,974.89/11,956.39 = 5,502.66/x
  3. Step 3: Cross multiply
    7,974.89x = 11,956.39 × 5,502.66
  4. Step 4: Simplify right side
    7,974.89x = 65,791,949.00
  5. Step 5: Solve for x
    x = 65,791,949.00/7,974.89
  6. Step 6: Final answer
    x = 8,249.89

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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.