Home / 11,963.44-17,945.31-4,172.25

Finding the Fourth Proportional to 11,963.44, 17,945.31 and 4,172.25

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Solution

The fourth proportional to 11,963.44, 17,945.31 and 4,172.25 is: 6,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.44 : 17,945.31 = 4,172.25 : x
  2. Step 2: Convert to fraction form
    11,963.44/17,945.31 = 4,172.25/x
  3. Step 3: Cross multiply
    11,963.44x = 17,945.31 × 4,172.25
  4. Step 4: Simplify right side
    11,963.44x = 74,872,319.65
  5. Step 5: Solve for x
    x = 74,872,319.65/11,963.44
  6. Step 6: Final answer
    x = 6,258.43

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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.