Home / 7,982.33-11,975.56-3,825.54

Finding the Fourth Proportional to 7,982.33, 11,975.56 and 3,825.54

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Solution

The fourth proportional to 7,982.33, 11,975.56 and 3,825.54 is: 5,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.33 : 11,975.56 = 3,825.54 : x
  2. Step 2: Convert to fraction form
    7,982.33/11,975.56 = 3,825.54/x
  3. Step 3: Cross multiply
    7,982.33x = 11,975.56 × 3,825.54
  4. Step 4: Simplify right side
    7,982.33x = 45,812,974.24
  5. Step 5: Solve for x
    x = 45,812,974.24/7,982.33
  6. Step 6: Final answer
    x = 5,739.30

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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.