Home / 8,237.25-12,360.60-8,170.38

Finding the Fourth Proportional to 8,237.25, 12,360.60 and 8,170.38

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Solution

The fourth proportional to 8,237.25, 12,360.60 and 8,170.38 is: 12,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.25 : 12,360.60 = 8,170.38 : x
  2. Step 2: Convert to fraction form
    8,237.25/12,360.60 = 8,170.38/x
  3. Step 3: Cross multiply
    8,237.25x = 12,360.60 × 8,170.38
  4. Step 4: Simplify right side
    8,237.25x = 100,990,799.03
  5. Step 5: Solve for x
    x = 100,990,799.03/8,237.25
  6. Step 6: Final answer
    x = 12,260.26

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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.