Home / 7,481.13-11,226.71-4,709.71

Finding the Fourth Proportional to 7,481.13, 11,226.71 and 4,709.71

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Solution

The fourth proportional to 7,481.13, 11,226.71 and 4,709.71 is: 7,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.13 : 11,226.71 = 4,709.71 : x
  2. Step 2: Convert to fraction form
    7,481.13/11,226.71 = 4,709.71/x
  3. Step 3: Cross multiply
    7,481.13x = 11,226.71 × 4,709.71
  4. Step 4: Simplify right side
    7,481.13x = 52,874,548.35
  5. Step 5: Solve for x
    x = 52,874,548.35/7,481.13
  6. Step 6: Final answer
    x = 7,067.72

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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.