Home / 9,601.20-14,399.40-3,676.80

Finding the Fourth Proportional to 9,601.20, 14,399.40 and 3,676.80

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Solution

The fourth proportional to 9,601.20, 14,399.40 and 3,676.80 is: 5,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,601.20 : 14,399.40 = 3,676.80 : x
  2. Step 2: Convert to fraction form
    9,601.20/14,399.40 = 3,676.80/x
  3. Step 3: Cross multiply
    9,601.20x = 14,399.40 × 3,676.80
  4. Step 4: Simplify right side
    9,601.20x = 52,943,713.92
  5. Step 5: Solve for x
    x = 52,943,713.92/9,601.20
  6. Step 6: Final answer
    x = 5,514.28

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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.