Home / 7,694.15-11,535.76-3,947.06

Finding the Fourth Proportional to 7,694.15, 11,535.76 and 3,947.06

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Solution

The fourth proportional to 7,694.15, 11,535.76 and 3,947.06 is: 5,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.15 : 11,535.76 = 3,947.06 : x
  2. Step 2: Convert to fraction form
    7,694.15/11,535.76 = 3,947.06/x
  3. Step 3: Cross multiply
    7,694.15x = 11,535.76 × 3,947.06
  4. Step 4: Simplify right side
    7,694.15x = 45,532,370.64
  5. Step 5: Solve for x
    x = 45,532,370.64/7,694.15
  6. Step 6: Final answer
    x = 5,917.79

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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.