Home / 11,608.70-17,415.68-3,817.58

Finding the Fourth Proportional to 11,608.70, 17,415.68 and 3,817.58

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Solution

The fourth proportional to 11,608.70, 17,415.68 and 3,817.58 is: 5,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.70 : 17,415.68 = 3,817.58 : x
  2. Step 2: Convert to fraction form
    11,608.70/17,415.68 = 3,817.58/x
  3. Step 3: Cross multiply
    11,608.70x = 17,415.68 × 3,817.58
  4. Step 4: Simplify right side
    11,608.70x = 66,485,645.49
  5. Step 5: Solve for x
    x = 66,485,645.49/11,608.70
  6. Step 6: Final answer
    x = 5,727.23

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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.