Home / 10,991.76-16,486.20-4,061.04

Finding the Fourth Proportional to 10,991.76, 16,486.20 and 4,061.04

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Solution

The fourth proportional to 10,991.76, 16,486.20 and 4,061.04 is: 6,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.76 : 16,486.20 = 4,061.04 : x
  2. Step 2: Convert to fraction form
    10,991.76/16,486.20 = 4,061.04/x
  3. Step 3: Cross multiply
    10,991.76x = 16,486.20 × 4,061.04
  4. Step 4: Simplify right side
    10,991.76x = 66,951,117.65
  5. Step 5: Solve for x
    x = 66,951,117.65/10,991.76
  6. Step 6: Final answer
    x = 6,091.03

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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.