Home / 8,186.67-12,278.39-2,341.71

Finding the Fourth Proportional to 8,186.67, 12,278.39 and 2,341.71

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Solution

The fourth proportional to 8,186.67, 12,278.39 and 2,341.71 is: 3,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.67 : 12,278.39 = 2,341.71 : x
  2. Step 2: Convert to fraction form
    8,186.67/12,278.39 = 2,341.71/x
  3. Step 3: Cross multiply
    8,186.67x = 12,278.39 × 2,341.71
  4. Step 4: Simplify right side
    8,186.67x = 28,752,416.94
  5. Step 5: Solve for x
    x = 28,752,416.94/8,186.67
  6. Step 6: Final answer
    x = 3,512.10

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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.