Home / 7,844.26-11,767.74-2,648.92

Finding the Fourth Proportional to 7,844.26, 11,767.74 and 2,648.92

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Solution

The fourth proportional to 7,844.26, 11,767.74 and 2,648.92 is: 3,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.26 : 11,767.74 = 2,648.92 : x
  2. Step 2: Convert to fraction form
    7,844.26/11,767.74 = 2,648.92/x
  3. Step 3: Cross multiply
    7,844.26x = 11,767.74 × 2,648.92
  4. Step 4: Simplify right side
    7,844.26x = 31,171,801.84
  5. Step 5: Solve for x
    x = 31,171,801.84/7,844.26
  6. Step 6: Final answer
    x = 3,973.84

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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.