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Finding the Fourth Proportional to 11,028.25, 15,219 and 6,060.25

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Solution

The fourth proportional to 11,028.25, 15,219 and 6,060.25 is: 8,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.25 : 15,219 = 6,060.25 : x
  2. Step 2: Convert to fraction form
    11,028.25/15,219 = 6,060.25/x
  3. Step 3: Cross multiply
    11,028.25x = 15,219 × 6,060.25
  4. Step 4: Simplify right side
    11,028.25x = 92,230,944.75
  5. Step 5: Solve for x
    x = 92,230,944.75/11,028.25
  6. Step 6: Final answer
    x = 8,363.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.