Home / 6,278.20-9,431.70-4,433.56

Finding the Fourth Proportional to 6,278.20, 9,431.70 and 4,433.56

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Solution

The fourth proportional to 6,278.20, 9,431.70 and 4,433.56 is: 6,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.20 : 9,431.70 = 4,433.56 : x
  2. Step 2: Convert to fraction form
    6,278.20/9,431.70 = 4,433.56/x
  3. Step 3: Cross multiply
    6,278.20x = 9,431.70 × 4,433.56
  4. Step 4: Simplify right side
    6,278.20x = 41,816,007.85
  5. Step 5: Solve for x
    x = 41,816,007.85/6,278.20
  6. Step 6: Final answer
    x = 6,660.51

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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.