Home / 7,422.22-11,134.07-2,743.46

Finding the Fourth Proportional to 7,422.22, 11,134.07 and 2,743.46

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Solution

The fourth proportional to 7,422.22, 11,134.07 and 2,743.46 is: 4,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.22 : 11,134.07 = 2,743.46 : x
  2. Step 2: Convert to fraction form
    7,422.22/11,134.07 = 2,743.46/x
  3. Step 3: Cross multiply
    7,422.22x = 11,134.07 × 2,743.46
  4. Step 4: Simplify right side
    7,422.22x = 30,545,875.68
  5. Step 5: Solve for x
    x = 30,545,875.68/7,422.22
  6. Step 6: Final answer
    x = 4,115.46

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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.