Home / 7,422.60-11,133.92-2,492.37

Finding the Fourth Proportional to 7,422.60, 11,133.92 and 2,492.37

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Solution

The fourth proportional to 7,422.60, 11,133.92 and 2,492.37 is: 3,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.60 : 11,133.92 = 2,492.37 : x
  2. Step 2: Convert to fraction form
    7,422.60/11,133.92 = 2,492.37/x
  3. Step 3: Cross multiply
    7,422.60x = 11,133.92 × 2,492.37
  4. Step 4: Simplify right side
    7,422.60x = 27,749,835.73
  5. Step 5: Solve for x
    x = 27,749,835.73/7,422.60
  6. Step 6: Final answer
    x = 3,738.56

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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.