Home / 11,243.10-16,858.52-3,450.90

Finding the Fourth Proportional to 11,243.10, 16,858.52 and 3,450.90

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Solution

The fourth proportional to 11,243.10, 16,858.52 and 3,450.90 is: 5,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.10 : 16,858.52 = 3,450.90 : x
  2. Step 2: Convert to fraction form
    11,243.10/16,858.52 = 3,450.90/x
  3. Step 3: Cross multiply
    11,243.10x = 16,858.52 × 3,450.90
  4. Step 4: Simplify right side
    11,243.10x = 58,177,066.67
  5. Step 5: Solve for x
    x = 58,177,066.67/11,243.10
  6. Step 6: Final answer
    x = 5,174.47

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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.