Home / 11,769.76-17,654.44-6,221.92

Finding the Fourth Proportional to 11,769.76, 17,654.44 and 6,221.92

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Solution

The fourth proportional to 11,769.76, 17,654.44 and 6,221.92 is: 9,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.76 : 17,654.44 = 6,221.92 : x
  2. Step 2: Convert to fraction form
    11,769.76/17,654.44 = 6,221.92/x
  3. Step 3: Cross multiply
    11,769.76x = 17,654.44 × 6,221.92
  4. Step 4: Simplify right side
    11,769.76x = 109,844,513.32
  5. Step 5: Solve for x
    x = 109,844,513.32/11,769.76
  6. Step 6: Final answer
    x = 9,332.77

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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.