Home / 7,931.97-11,896.66-3,000.43

Finding the Fourth Proportional to 7,931.97, 11,896.66 and 3,000.43

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Solution

The fourth proportional to 7,931.97, 11,896.66 and 3,000.43 is: 4,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.97 : 11,896.66 = 3,000.43 : x
  2. Step 2: Convert to fraction form
    7,931.97/11,896.66 = 3,000.43/x
  3. Step 3: Cross multiply
    7,931.97x = 11,896.66 × 3,000.43
  4. Step 4: Simplify right side
    7,931.97x = 35,695,095.56
  5. Step 5: Solve for x
    x = 35,695,095.56/7,931.97
  6. Step 6: Final answer
    x = 4,500.16

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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.