Home / 8,086.92-12,122.18-6,135.04

Finding the Fourth Proportional to 8,086.92, 12,122.18 and 6,135.04

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Solution

The fourth proportional to 8,086.92, 12,122.18 and 6,135.04 is: 9,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.92 : 12,122.18 = 6,135.04 : x
  2. Step 2: Convert to fraction form
    8,086.92/12,122.18 = 6,135.04/x
  3. Step 3: Cross multiply
    8,086.92x = 12,122.18 × 6,135.04
  4. Step 4: Simplify right side
    8,086.92x = 74,370,059.19
  5. Step 5: Solve for x
    x = 74,370,059.19/8,086.92
  6. Step 6: Final answer
    x = 9,196.34

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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.