Home / 7,974.85-11,004.83-4,617.43

Finding the Fourth Proportional to 7,974.85, 11,004.83 and 4,617.43

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Solution

The fourth proportional to 7,974.85, 11,004.83 and 4,617.43 is: 6,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.85 : 11,004.83 = 4,617.43 : x
  2. Step 2: Convert to fraction form
    7,974.85/11,004.83 = 4,617.43/x
  3. Step 3: Cross multiply
    7,974.85x = 11,004.83 × 4,617.43
  4. Step 4: Simplify right side
    7,974.85x = 50,813,993.13
  5. Step 5: Solve for x
    x = 50,813,993.13/7,974.85
  6. Step 6: Final answer
    x = 6,371.78

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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.