Home / 7,825.44-11,723.38-3,872.13

Finding the Fourth Proportional to 7,825.44, 11,723.38 and 3,872.13

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Solution

The fourth proportional to 7,825.44, 11,723.38 and 3,872.13 is: 5,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.44 : 11,723.38 = 3,872.13 : x
  2. Step 2: Convert to fraction form
    7,825.44/11,723.38 = 3,872.13/x
  3. Step 3: Cross multiply
    7,825.44x = 11,723.38 × 3,872.13
  4. Step 4: Simplify right side
    7,825.44x = 45,394,452.51
  5. Step 5: Solve for x
    x = 45,394,452.51/7,825.44
  6. Step 6: Final answer
    x = 5,800.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.