Home / 7,845.87-11,767.56-2,297.91

Finding the Fourth Proportional to 7,845.87, 11,767.56 and 2,297.91

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Solution

The fourth proportional to 7,845.87, 11,767.56 and 2,297.91 is: 3,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.87 : 11,767.56 = 2,297.91 : x
  2. Step 2: Convert to fraction form
    7,845.87/11,767.56 = 2,297.91/x
  3. Step 3: Cross multiply
    7,845.87x = 11,767.56 × 2,297.91
  4. Step 4: Simplify right side
    7,845.87x = 27,040,793.80
  5. Step 5: Solve for x
    x = 27,040,793.80/7,845.87
  6. Step 6: Final answer
    x = 3,446.50

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1.5x scale

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.