Home / 11,226.75-16,840.80-3,435.63

Finding the Fourth Proportional to 11,226.75, 16,840.80 and 3,435.63

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Solution

The fourth proportional to 11,226.75, 16,840.80 and 3,435.63 is: 5,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.75 : 16,840.80 = 3,435.63 : x
  2. Step 2: Convert to fraction form
    11,226.75/16,840.80 = 3,435.63/x
  3. Step 3: Cross multiply
    11,226.75x = 16,840.80 × 3,435.63
  4. Step 4: Simplify right side
    11,226.75x = 57,858,757.70
  5. Step 5: Solve for x
    x = 57,858,757.70/11,226.75
  6. Step 6: Final answer
    x = 5,153.65

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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.