Home / 10,082.14-13,912.56-5,605.62

Finding the Fourth Proportional to 10,082.14, 13,912.56 and 5,605.62

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Solution

The fourth proportional to 10,082.14, 13,912.56 and 5,605.62 is: 7,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.14 : 13,912.56 = 5,605.62 : x
  2. Step 2: Convert to fraction form
    10,082.14/13,912.56 = 5,605.62/x
  3. Step 3: Cross multiply
    10,082.14x = 13,912.56 × 5,605.62
  4. Step 4: Simplify right side
    10,082.14x = 77,988,524.59
  5. Step 5: Solve for x
    x = 77,988,524.59/10,082.14
  6. Step 6: Final answer
    x = 7,735.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.