Home / 7,949.69-11,926.66-2,755.56

Finding the Fourth Proportional to 7,949.69, 11,926.66 and 2,755.56

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Solution

The fourth proportional to 7,949.69, 11,926.66 and 2,755.56 is: 4,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.69 : 11,926.66 = 2,755.56 : x
  2. Step 2: Convert to fraction form
    7,949.69/11,926.66 = 2,755.56/x
  3. Step 3: Cross multiply
    7,949.69x = 11,926.66 × 2,755.56
  4. Step 4: Simplify right side
    7,949.69x = 32,864,627.23
  5. Step 5: Solve for x
    x = 32,864,627.23/7,949.69
  6. Step 6: Final answer
    x = 4,134.08

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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.