Home / 8,173.70-11,279.92-4,637.44

Finding the Fourth Proportional to 8,173.70, 11,279.92 and 4,637.44

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Solution

The fourth proportional to 8,173.70, 11,279.92 and 4,637.44 is: 6,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.70 : 11,279.92 = 4,637.44 : x
  2. Step 2: Convert to fraction form
    8,173.70/11,279.92 = 4,637.44/x
  3. Step 3: Cross multiply
    8,173.70x = 11,279.92 × 4,637.44
  4. Step 4: Simplify right side
    8,173.70x = 52,309,952.20
  5. Step 5: Solve for x
    x = 52,309,952.20/8,173.70
  6. Step 6: Final answer
    x = 6,399.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.