Home / 7,910.82-11,866.20-2,067.36

Finding the Fourth Proportional to 7,910.82, 11,866.20 and 2,067.36

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Solution

The fourth proportional to 7,910.82, 11,866.20 and 2,067.36 is: 3,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.82 : 11,866.20 = 2,067.36 : x
  2. Step 2: Convert to fraction form
    7,910.82/11,866.20 = 2,067.36/x
  3. Step 3: Cross multiply
    7,910.82x = 11,866.20 × 2,067.36
  4. Step 4: Simplify right side
    7,910.82x = 24,531,707.23
  5. Step 5: Solve for x
    x = 24,531,707.23/7,910.82
  6. Step 6: Final answer
    x = 3,101.03

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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.