Home / 11,759.44-17,641.60-5,185.48

Finding the Fourth Proportional to 11,759.44, 17,641.60 and 5,185.48

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Solution

The fourth proportional to 11,759.44, 17,641.60 and 5,185.48 is: 7,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.44 : 17,641.60 = 5,185.48 : x
  2. Step 2: Convert to fraction form
    11,759.44/17,641.60 = 5,185.48/x
  3. Step 3: Cross multiply
    11,759.44x = 17,641.60 × 5,185.48
  4. Step 4: Simplify right side
    11,759.44x = 91,480,163.97
  5. Step 5: Solve for x
    x = 91,480,163.97/11,759.44
  6. Step 6: Final answer
    x = 7,779.30

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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.