Home / 11,631.78-17,447.35-3,734.23

Finding the Fourth Proportional to 11,631.78, 17,447.35 and 3,734.23

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Solution

The fourth proportional to 11,631.78, 17,447.35 and 3,734.23 is: 5,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.78 : 17,447.35 = 3,734.23 : x
  2. Step 2: Convert to fraction form
    11,631.78/17,447.35 = 3,734.23/x
  3. Step 3: Cross multiply
    11,631.78x = 17,447.35 × 3,734.23
  4. Step 4: Simplify right side
    11,631.78x = 65,152,399.12
  5. Step 5: Solve for x
    x = 65,152,399.12/11,631.78
  6. Step 6: Final answer
    x = 5,601.24

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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.