Home / 8,079.33-12,119.07-2,236.40

Finding the Fourth Proportional to 8,079.33, 12,119.07 and 2,236.40

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Solution

The fourth proportional to 8,079.33, 12,119.07 and 2,236.40 is: 3,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.33 : 12,119.07 = 2,236.40 : x
  2. Step 2: Convert to fraction form
    8,079.33/12,119.07 = 2,236.40/x
  3. Step 3: Cross multiply
    8,079.33x = 12,119.07 × 2,236.40
  4. Step 4: Simplify right side
    8,079.33x = 27,103,088.15
  5. Step 5: Solve for x
    x = 27,103,088.15/8,079.33
  6. Step 6: Final answer
    x = 3,354.62

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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.