Home / 10,185.73-15,273.75-3,948.66

Finding the Fourth Proportional to 10,185.73, 15,273.75 and 3,948.66

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Solution

The fourth proportional to 10,185.73, 15,273.75 and 3,948.66 is: 5,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.73 : 15,273.75 = 3,948.66 : x
  2. Step 2: Convert to fraction form
    10,185.73/15,273.75 = 3,948.66/x
  3. Step 3: Cross multiply
    10,185.73x = 15,273.75 × 3,948.66
  4. Step 4: Simplify right side
    10,185.73x = 60,310,845.68
  5. Step 5: Solve for x
    x = 60,310,845.68/10,185.73
  6. Step 6: Final answer
    x = 5,921.11

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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.