Home / 7,470.24-11,198.07-2,786.82

Finding the Fourth Proportional to 7,470.24, 11,198.07 and 2,786.82

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Solution

The fourth proportional to 7,470.24, 11,198.07 and 2,786.82 is: 4,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.24 : 11,198.07 = 2,786.82 : x
  2. Step 2: Convert to fraction form
    7,470.24/11,198.07 = 2,786.82/x
  3. Step 3: Cross multiply
    7,470.24x = 11,198.07 × 2,786.82
  4. Step 4: Simplify right side
    7,470.24x = 31,207,005.44
  5. Step 5: Solve for x
    x = 31,207,005.44/7,470.24
  6. Step 6: Final answer
    x = 4,177.51

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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.