Home / 11,356.28-17,028.66-5,195

Finding the Fourth Proportional to 11,356.28, 17,028.66 and 5,195

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Solution

The fourth proportional to 11,356.28, 17,028.66 and 5,195 is: 7,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.28 : 17,028.66 = 5,195 : x
  2. Step 2: Convert to fraction form
    11,356.28/17,028.66 = 5,195/x
  3. Step 3: Cross multiply
    11,356.28x = 17,028.66 × 5,195
  4. Step 4: Simplify right side
    11,356.28x = 88,463,888.70
  5. Step 5: Solve for x
    x = 88,463,888.70/11,356.28
  6. Step 6: Final answer
    x = 7,789.87

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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.