Home / 11,481.47-17,220.48-5,476.03

Finding the Fourth Proportional to 11,481.47, 17,220.48 and 5,476.03

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Solution

The fourth proportional to 11,481.47, 17,220.48 and 5,476.03 is: 8,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.47 : 17,220.48 = 5,476.03 : x
  2. Step 2: Convert to fraction form
    11,481.47/17,220.48 = 5,476.03/x
  3. Step 3: Cross multiply
    11,481.47x = 17,220.48 × 5,476.03
  4. Step 4: Simplify right side
    11,481.47x = 94,299,865.09
  5. Step 5: Solve for x
    x = 94,299,865.09/11,481.47
  6. Step 6: Final answer
    x = 8,213.22

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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.