Home / 11,231.70-16,849.71-3,440.58

Finding the Fourth Proportional to 11,231.70, 16,849.71 and 3,440.58

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Solution

The fourth proportional to 11,231.70, 16,849.71 and 3,440.58 is: 5,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.70 : 16,849.71 = 3,440.58 : x
  2. Step 2: Convert to fraction form
    11,231.70/16,849.71 = 3,440.58/x
  3. Step 3: Cross multiply
    11,231.70x = 16,849.71 × 3,440.58
  4. Step 4: Simplify right side
    11,231.70x = 57,972,775.23
  5. Step 5: Solve for x
    x = 57,972,775.23/11,231.70
  6. Step 6: Final answer
    x = 5,161.53

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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.