Home / 7,932.69-10,942.16-5,103.75

Finding the Fourth Proportional to 7,932.69, 10,942.16 and 5,103.75

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Solution

The fourth proportional to 7,932.69, 10,942.16 and 5,103.75 is: 7,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.69 : 10,942.16 = 5,103.75 : x
  2. Step 2: Convert to fraction form
    7,932.69/10,942.16 = 5,103.75/x
  3. Step 3: Cross multiply
    7,932.69x = 10,942.16 × 5,103.75
  4. Step 4: Simplify right side
    7,932.69x = 55,846,049.10
  5. Step 5: Solve for x
    x = 55,846,049.10/7,932.69
  6. Step 6: Final answer
    x = 7,039.99

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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.