Home / 12,226.73-18,336.13-3,904.80

Finding the Fourth Proportional to 12,226.73, 18,336.13 and 3,904.80

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Solution

The fourth proportional to 12,226.73, 18,336.13 and 3,904.80 is: 5,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.73 : 18,336.13 = 3,904.80 : x
  2. Step 2: Convert to fraction form
    12,226.73/18,336.13 = 3,904.80/x
  3. Step 3: Cross multiply
    12,226.73x = 18,336.13 × 3,904.80
  4. Step 4: Simplify right side
    12,226.73x = 71,598,920.42
  5. Step 5: Solve for x
    x = 71,598,920.42/12,226.73
  6. Step 6: Final answer
    x = 5,855.93

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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.