Home / 8,173.32-12,259.76-2,626.62

Finding the Fourth Proportional to 8,173.32, 12,259.76 and 2,626.62

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Solution

The fourth proportional to 8,173.32, 12,259.76 and 2,626.62 is: 3,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.32 : 12,259.76 = 2,626.62 : x
  2. Step 2: Convert to fraction form
    8,173.32/12,259.76 = 2,626.62/x
  3. Step 3: Cross multiply
    8,173.32x = 12,259.76 × 2,626.62
  4. Step 4: Simplify right side
    8,173.32x = 32,201,717.68
  5. Step 5: Solve for x
    x = 32,201,717.68/8,173.32
  6. Step 6: Final answer
    x = 3,939.86

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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.