Home / 11,347.80-17,021.22-3,450.06

Finding the Fourth Proportional to 11,347.80, 17,021.22 and 3,450.06

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Solution

The fourth proportional to 11,347.80, 17,021.22 and 3,450.06 is: 5,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.80 : 17,021.22 = 3,450.06 : x
  2. Step 2: Convert to fraction form
    11,347.80/17,021.22 = 3,450.06/x
  3. Step 3: Cross multiply
    11,347.80x = 17,021.22 × 3,450.06
  4. Step 4: Simplify right side
    11,347.80x = 58,724,230.27
  5. Step 5: Solve for x
    x = 58,724,230.27/11,347.80
  6. Step 6: Final answer
    x = 5,174.94

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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.