Home / 7,960.68-11,942.46-2,765.16

Finding the Fourth Proportional to 7,960.68, 11,942.46 and 2,765.16

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Solution

The fourth proportional to 7,960.68, 11,942.46 and 2,765.16 is: 4,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.68 : 11,942.46 = 2,765.16 : x
  2. Step 2: Convert to fraction form
    7,960.68/11,942.46 = 2,765.16/x
  3. Step 3: Cross multiply
    7,960.68x = 11,942.46 × 2,765.16
  4. Step 4: Simplify right side
    7,960.68x = 33,022,812.69
  5. Step 5: Solve for x
    x = 33,022,812.69/7,960.68
  6. Step 6: Final answer
    x = 4,148.24

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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.