Home / 8,226.11-12,335.94-2,678.10

Finding the Fourth Proportional to 8,226.11, 12,335.94 and 2,678.10

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Solution

The fourth proportional to 8,226.11, 12,335.94 and 2,678.10 is: 4,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.11 : 12,335.94 = 2,678.10 : x
  2. Step 2: Convert to fraction form
    8,226.11/12,335.94 = 2,678.10/x
  3. Step 3: Cross multiply
    8,226.11x = 12,335.94 × 2,678.10
  4. Step 4: Simplify right side
    8,226.11x = 33,036,880.91
  5. Step 5: Solve for x
    x = 33,036,880.91/8,226.11
  6. Step 6: Final answer
    x = 4,016.10

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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.