Home / 11,769.75-16,242.30-6,734.01

Finding the Fourth Proportional to 11,769.75, 16,242.30 and 6,734.01

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Solution

The fourth proportional to 11,769.75, 16,242.30 and 6,734.01 is: 9,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.75 : 16,242.30 = 6,734.01 : x
  2. Step 2: Convert to fraction form
    11,769.75/16,242.30 = 6,734.01/x
  3. Step 3: Cross multiply
    11,769.75x = 16,242.30 × 6,734.01
  4. Step 4: Simplify right side
    11,769.75x = 109,375,810.62
  5. Step 5: Solve for x
    x = 109,375,810.62/11,769.75
  6. Step 6: Final answer
    x = 9,292.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.