Home / 7,426.44-11,138.44-2,231.40

Finding the Fourth Proportional to 7,426.44, 11,138.44 and 2,231.40

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Solution

The fourth proportional to 7,426.44, 11,138.44 and 2,231.40 is: 3,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.44 : 11,138.44 = 2,231.40 : x
  2. Step 2: Convert to fraction form
    7,426.44/11,138.44 = 2,231.40/x
  3. Step 3: Cross multiply
    7,426.44x = 11,138.44 × 2,231.40
  4. Step 4: Simplify right side
    7,426.44x = 24,854,315.02
  5. Step 5: Solve for x
    x = 24,854,315.02/7,426.44
  6. Step 6: Final answer
    x = 3,346.73

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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.