Home / 11,021.27-16,499.09-7,310.66

Finding the Fourth Proportional to 11,021.27, 16,499.09 and 7,310.66

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Solution

The fourth proportional to 11,021.27, 16,499.09 and 7,310.66 is: 10,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.27 : 16,499.09 = 7,310.66 : x
  2. Step 2: Convert to fraction form
    11,021.27/16,499.09 = 7,310.66/x
  3. Step 3: Cross multiply
    11,021.27x = 16,499.09 × 7,310.66
  4. Step 4: Simplify right side
    11,021.27x = 120,619,173.08
  5. Step 5: Solve for x
    x = 120,619,173.08/11,021.27
  6. Step 6: Final answer
    x = 10,944.22

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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.