Home / 11,226.20-16,840.92-3,435.62

Finding the Fourth Proportional to 11,226.20, 16,840.92 and 3,435.62

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Solution

The fourth proportional to 11,226.20, 16,840.92 and 3,435.62 is: 5,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.20 : 16,840.92 = 3,435.62 : x
  2. Step 2: Convert to fraction form
    11,226.20/16,840.92 = 3,435.62/x
  3. Step 3: Cross multiply
    11,226.20x = 16,840.92 × 3,435.62
  4. Step 4: Simplify right side
    11,226.20x = 57,859,001.57
  5. Step 5: Solve for x
    x = 57,859,001.57/11,226.20
  6. Step 6: Final answer
    x = 5,153.93

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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.