Home / 8,074.59-11,138.66-6,081.68

Finding the Fourth Proportional to 8,074.59, 11,138.66 and 6,081.68

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Solution

The fourth proportional to 8,074.59, 11,138.66 and 6,081.68 is: 8,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.59 : 11,138.66 = 6,081.68 : x
  2. Step 2: Convert to fraction form
    8,074.59/11,138.66 = 6,081.68/x
  3. Step 3: Cross multiply
    8,074.59x = 11,138.66 × 6,081.68
  4. Step 4: Simplify right side
    8,074.59x = 67,741,820.20
  5. Step 5: Solve for x
    x = 67,741,820.20/8,074.59
  6. Step 6: Final answer
    x = 8,389.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.