Home / 8,183.45-11,297.44-6,387.08

Finding the Fourth Proportional to 8,183.45, 11,297.44 and 6,387.08

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Solution

The fourth proportional to 8,183.45, 11,297.44 and 6,387.08 is: 8,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.45 : 11,297.44 = 6,387.08 : x
  2. Step 2: Convert to fraction form
    8,183.45/11,297.44 = 6,387.08/x
  3. Step 3: Cross multiply
    8,183.45x = 11,297.44 × 6,387.08
  4. Step 4: Simplify right side
    8,183.45x = 72,157,604.57
  5. Step 5: Solve for x
    x = 72,157,604.57/8,183.45
  6. Step 6: Final answer
    x = 8,817.50

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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.