Home / 9,203.40-13,805.22-2,629.80

Finding the Fourth Proportional to 9,203.40, 13,805.22 and 2,629.80

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Solution

The fourth proportional to 9,203.40, 13,805.22 and 2,629.80 is: 3,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.40 : 13,805.22 = 2,629.80 : x
  2. Step 2: Convert to fraction form
    9,203.40/13,805.22 = 2,629.80/x
  3. Step 3: Cross multiply
    9,203.40x = 13,805.22 × 2,629.80
  4. Step 4: Simplify right side
    9,203.40x = 36,304,967.56
  5. Step 5: Solve for x
    x = 36,304,967.56/9,203.40
  6. Step 6: Final answer
    x = 3,944.73

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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.