Home / 11,191.46-16,787.57-3,400.25

Finding the Fourth Proportional to 11,191.46, 16,787.57 and 3,400.25

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Solution

The fourth proportional to 11,191.46, 16,787.57 and 3,400.25 is: 5,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.46 : 16,787.57 = 3,400.25 : x
  2. Step 2: Convert to fraction form
    11,191.46/16,787.57 = 3,400.25/x
  3. Step 3: Cross multiply
    11,191.46x = 16,787.57 × 3,400.25
  4. Step 4: Simplify right side
    11,191.46x = 57,081,917.89
  5. Step 5: Solve for x
    x = 57,081,917.89/11,191.46
  6. Step 6: Final answer
    x = 5,100.49

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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.