Home / 11,398.56-17,105.50-4,003.08

Finding the Fourth Proportional to 11,398.56, 17,105.50 and 4,003.08

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Solution

The fourth proportional to 11,398.56, 17,105.50 and 4,003.08 is: 6,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.56 : 17,105.50 = 4,003.08 : x
  2. Step 2: Convert to fraction form
    11,398.56/17,105.50 = 4,003.08/x
  3. Step 3: Cross multiply
    11,398.56x = 17,105.50 × 4,003.08
  4. Step 4: Simplify right side
    11,398.56x = 68,474,684.94
  5. Step 5: Solve for x
    x = 68,474,684.94/11,398.56
  6. Step 6: Final answer
    x = 6,007.31

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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.