Home / 10,082.07-15,112.98-3,840.48

Finding the Fourth Proportional to 10,082.07, 15,112.98 and 3,840.48

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Solution

The fourth proportional to 10,082.07, 15,112.98 and 3,840.48 is: 5,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.07 : 15,112.98 = 3,840.48 : x
  2. Step 2: Convert to fraction form
    10,082.07/15,112.98 = 3,840.48/x
  3. Step 3: Cross multiply
    10,082.07x = 15,112.98 × 3,840.48
  4. Step 4: Simplify right side
    10,082.07x = 58,041,097.43
  5. Step 5: Solve for x
    x = 58,041,097.43/10,082.07
  6. Step 6: Final answer
    x = 5,756.86

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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.