Home / 11,943.56-17,918.31-4,152.44

Finding the Fourth Proportional to 11,943.56, 17,918.31 and 4,152.44

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Solution

The fourth proportional to 11,943.56, 17,918.31 and 4,152.44 is: 6,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.56 : 17,918.31 = 4,152.44 : x
  2. Step 2: Convert to fraction form
    11,943.56/17,918.31 = 4,152.44/x
  3. Step 3: Cross multiply
    11,943.56x = 17,918.31 × 4,152.44
  4. Step 4: Simplify right side
    11,943.56x = 74,404,707.18
  5. Step 5: Solve for x
    x = 74,404,707.18/11,943.56
  6. Step 6: Final answer
    x = 6,229.69

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1.5x scale

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.