Home / 6,974.91-9,623.85-4,143.22

Finding the Fourth Proportional to 6,974.91, 9,623.85 and 4,143.22

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Solution

The fourth proportional to 6,974.91, 9,623.85 and 4,143.22 is: 5,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.91 : 9,623.85 = 4,143.22 : x
  2. Step 2: Convert to fraction form
    6,974.91/9,623.85 = 4,143.22/x
  3. Step 3: Cross multiply
    6,974.91x = 9,623.85 × 4,143.22
  4. Step 4: Simplify right side
    6,974.91x = 39,873,679.68
  5. Step 5: Solve for x
    x = 39,873,679.68/6,974.91
  6. Step 6: Final answer
    x = 5,716.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.