Home / 11,190.45-16,784.96-3,399.33

Finding the Fourth Proportional to 11,190.45, 16,784.96 and 3,399.33

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Solution

The fourth proportional to 11,190.45, 16,784.96 and 3,399.33 is: 5,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.45 : 16,784.96 = 3,399.33 : x
  2. Step 2: Convert to fraction form
    11,190.45/16,784.96 = 3,399.33/x
  3. Step 3: Cross multiply
    11,190.45x = 16,784.96 × 3,399.33
  4. Step 4: Simplify right side
    11,190.45x = 57,057,601.08
  5. Step 5: Solve for x
    x = 57,057,601.08/11,190.45
  6. Step 6: Final answer
    x = 5,098.78

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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.