Home / 11,481.23-17,220.22-3,689.03

Finding the Fourth Proportional to 11,481.23, 17,220.22 and 3,689.03

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Solution

The fourth proportional to 11,481.23, 17,220.22 and 3,689.03 is: 5,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.23 : 17,220.22 = 3,689.03 : x
  2. Step 2: Convert to fraction form
    11,481.23/17,220.22 = 3,689.03/x
  3. Step 3: Cross multiply
    11,481.23x = 17,220.22 × 3,689.03
  4. Step 4: Simplify right side
    11,481.23x = 63,525,908.19
  5. Step 5: Solve for x
    x = 63,525,908.19/11,481.23
  6. Step 6: Final answer
    x = 5,533.02

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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.