Home / 7,838.16-11,757.24-2,644.04

Finding the Fourth Proportional to 7,838.16, 11,757.24 and 2,644.04

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Solution

The fourth proportional to 7,838.16, 11,757.24 and 2,644.04 is: 3,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.16 : 11,757.24 = 2,644.04 : x
  2. Step 2: Convert to fraction form
    7,838.16/11,757.24 = 2,644.04/x
  3. Step 3: Cross multiply
    7,838.16x = 11,757.24 × 2,644.04
  4. Step 4: Simplify right side
    7,838.16x = 31,086,612.85
  5. Step 5: Solve for x
    x = 31,086,612.85/7,838.16
  6. Step 6: Final answer
    x = 3,966.06

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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.