Home / 7,491.11-11,238.78-2,226.11

Finding the Fourth Proportional to 7,491.11, 11,238.78 and 2,226.11

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Solution

The fourth proportional to 7,491.11, 11,238.78 and 2,226.11 is: 3,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.11 : 11,238.78 = 2,226.11 : x
  2. Step 2: Convert to fraction form
    7,491.11/11,238.78 = 2,226.11/x
  3. Step 3: Cross multiply
    7,491.11x = 11,238.78 × 2,226.11
  4. Step 4: Simplify right side
    7,491.11x = 25,018,704.35
  5. Step 5: Solve for x
    x = 25,018,704.35/7,491.11
  6. Step 6: Final answer
    x = 3,339.79

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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.