Home / 7,933.14-11,891.33-2,663.15

Finding the Fourth Proportional to 7,933.14, 11,891.33 and 2,663.15

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Solution

The fourth proportional to 7,933.14, 11,891.33 and 2,663.15 is: 3,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.14 : 11,891.33 = 2,663.15 : x
  2. Step 2: Convert to fraction form
    7,933.14/11,891.33 = 2,663.15/x
  3. Step 3: Cross multiply
    7,933.14x = 11,891.33 × 2,663.15
  4. Step 4: Simplify right side
    7,933.14x = 31,668,322.72
  5. Step 5: Solve for x
    x = 31,668,322.72/7,933.14
  6. Step 6: Final answer
    x = 3,991.90

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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.