Home / 11,229.66-16,844.52-3,438.42

Finding the Fourth Proportional to 11,229.66, 16,844.52 and 3,438.42

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Solution

The fourth proportional to 11,229.66, 16,844.52 and 3,438.42 is: 5,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.66 : 16,844.52 = 3,438.42 : x
  2. Step 2: Convert to fraction form
    11,229.66/16,844.52 = 3,438.42/x
  3. Step 3: Cross multiply
    11,229.66x = 16,844.52 × 3,438.42
  4. Step 4: Simplify right side
    11,229.66x = 57,918,534.46
  5. Step 5: Solve for x
    x = 57,918,534.46/11,229.66
  6. Step 6: Final answer
    x = 5,157.64

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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.