Home / 8,286.24-11,433.84-4,749.60

Finding the Fourth Proportional to 8,286.24, 11,433.84 and 4,749.60

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Solution

The fourth proportional to 8,286.24, 11,433.84 and 4,749.60 is: 6,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.24 : 11,433.84 = 4,749.60 : x
  2. Step 2: Convert to fraction form
    8,286.24/11,433.84 = 4,749.60/x
  3. Step 3: Cross multiply
    8,286.24x = 11,433.84 × 4,749.60
  4. Step 4: Simplify right side
    8,286.24x = 54,306,166.46
  5. Step 5: Solve for x
    x = 54,306,166.46/8,286.24
  6. Step 6: Final answer
    x = 6,553.78

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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.