Home / 8,226.90-12,338.52-3,295.21

Finding the Fourth Proportional to 8,226.90, 12,338.52 and 3,295.21

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Solution

The fourth proportional to 8,226.90, 12,338.52 and 3,295.21 is: 4,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.90 : 12,338.52 = 3,295.21 : x
  2. Step 2: Convert to fraction form
    8,226.90/12,338.52 = 3,295.21/x
  3. Step 3: Cross multiply
    8,226.90x = 12,338.52 × 3,295.21
  4. Step 4: Simplify right side
    8,226.90x = 40,658,014.49
  5. Step 5: Solve for x
    x = 40,658,014.49/8,226.90
  6. Step 6: Final answer
    x = 4,942.09

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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.