Home / 11,239.66-16,869.87-5,697.03

Finding the Fourth Proportional to 11,239.66, 16,869.87 and 5,697.03

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Solution

The fourth proportional to 11,239.66, 16,869.87 and 5,697.03 is: 8,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.66 : 16,869.87 = 5,697.03 : x
  2. Step 2: Convert to fraction form
    11,239.66/16,869.87 = 5,697.03/x
  3. Step 3: Cross multiply
    11,239.66x = 16,869.87 × 5,697.03
  4. Step 4: Simplify right side
    11,239.66x = 96,108,218.75
  5. Step 5: Solve for x
    x = 96,108,218.75/11,239.66
  6. Step 6: Final answer
    x = 8,550.81

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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.