Home / 11,817.26-17,725.90-3,609.26

Finding the Fourth Proportional to 11,817.26, 17,725.90 and 3,609.26

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Solution

The fourth proportional to 11,817.26, 17,725.90 and 3,609.26 is: 5,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.26 : 17,725.90 = 3,609.26 : x
  2. Step 2: Convert to fraction form
    11,817.26/17,725.90 = 3,609.26/x
  3. Step 3: Cross multiply
    11,817.26x = 17,725.90 × 3,609.26
  4. Step 4: Simplify right side
    11,817.26x = 63,977,381.83
  5. Step 5: Solve for x
    x = 63,977,381.83/11,817.26
  6. Step 6: Final answer
    x = 5,413.89

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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.