Home / 8,132.10-12,198.15-4,183.35

Finding the Fourth Proportional to 8,132.10, 12,198.15 and 4,183.35

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Solution

The fourth proportional to 8,132.10, 12,198.15 and 4,183.35 is: 6,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.10 : 12,198.15 = 4,183.35 : x
  2. Step 2: Convert to fraction form
    8,132.10/12,198.15 = 4,183.35/x
  3. Step 3: Cross multiply
    8,132.10x = 12,198.15 × 4,183.35
  4. Step 4: Simplify right side
    8,132.10x = 51,029,130.80
  5. Step 5: Solve for x
    x = 51,029,130.80/8,132.10
  6. Step 6: Final answer
    x = 6,275.03

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1.5x scale

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.