Home / 7,922.75-11,879.71-3,246.03

Finding the Fourth Proportional to 7,922.75, 11,879.71 and 3,246.03

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Solution

The fourth proportional to 7,922.75, 11,879.71 and 3,246.03 is: 4,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.75 : 11,879.71 = 3,246.03 : x
  2. Step 2: Convert to fraction form
    7,922.75/11,879.71 = 3,246.03/x
  3. Step 3: Cross multiply
    7,922.75x = 11,879.71 × 3,246.03
  4. Step 4: Simplify right side
    7,922.75x = 38,561,886.94
  5. Step 5: Solve for x
    x = 38,561,886.94/7,922.75
  6. Step 6: Final answer
    x = 4,867.24

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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.