Home / 11,498.41-17,220.21-7,102.54

Finding the Fourth Proportional to 11,498.41, 17,220.21 and 7,102.54

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Solution

The fourth proportional to 11,498.41, 17,220.21 and 7,102.54 is: 10,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.41 : 17,220.21 = 7,102.54 : x
  2. Step 2: Convert to fraction form
    11,498.41/17,220.21 = 7,102.54/x
  3. Step 3: Cross multiply
    11,498.41x = 17,220.21 × 7,102.54
  4. Step 4: Simplify right side
    11,498.41x = 122,307,230.33
  5. Step 5: Solve for x
    x = 122,307,230.33/11,498.41
  6. Step 6: Final answer
    x = 10,636.88

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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.