Home / 6,747.24-9,311.76-3,763.20

Finding the Fourth Proportional to 6,747.24, 9,311.76 and 3,763.20

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Solution

The fourth proportional to 6,747.24, 9,311.76 and 3,763.20 is: 5,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.24 : 9,311.76 = 3,763.20 : x
  2. Step 2: Convert to fraction form
    6,747.24/9,311.76 = 3,763.20/x
  3. Step 3: Cross multiply
    6,747.24x = 9,311.76 × 3,763.20
  4. Step 4: Simplify right side
    6,747.24x = 35,042,015.23
  5. Step 5: Solve for x
    x = 35,042,015.23/6,747.24
  6. Step 6: Final answer
    x = 5,193.53

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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.