Home / 7,471.18-11,209.56-3,523.69

Finding the Fourth Proportional to 7,471.18, 11,209.56 and 3,523.69

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Solution

The fourth proportional to 7,471.18, 11,209.56 and 3,523.69 is: 5,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.18 : 11,209.56 = 3,523.69 : x
  2. Step 2: Convert to fraction form
    7,471.18/11,209.56 = 3,523.69/x
  3. Step 3: Cross multiply
    7,471.18x = 11,209.56 × 3,523.69
  4. Step 4: Simplify right side
    7,471.18x = 39,499,014.48
  5. Step 5: Solve for x
    x = 39,499,014.48/7,471.18
  6. Step 6: Final answer
    x = 5,286.85

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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.