Home / 11,195.80-16,796.20-3,405.22

Finding the Fourth Proportional to 11,195.80, 16,796.20 and 3,405.22

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Solution

The fourth proportional to 11,195.80, 16,796.20 and 3,405.22 is: 5,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.80 : 16,796.20 = 3,405.22 : x
  2. Step 2: Convert to fraction form
    11,195.80/16,796.20 = 3,405.22/x
  3. Step 3: Cross multiply
    11,195.80x = 16,796.20 × 3,405.22
  4. Step 4: Simplify right side
    11,195.80x = 57,194,756.16
  5. Step 5: Solve for x
    x = 57,194,756.16/11,195.80
  6. Step 6: Final answer
    x = 5,108.59

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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.