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Finding the Fourth Proportional to 10,912.18, 15,058.81 and 5,944.18

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Solution

The fourth proportional to 10,912.18, 15,058.81 and 5,944.18 is: 8,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.18 : 15,058.81 = 5,944.18 : x
  2. Step 2: Convert to fraction form
    10,912.18/15,058.81 = 5,944.18/x
  3. Step 3: Cross multiply
    10,912.18x = 15,058.81 × 5,944.18
  4. Step 4: Simplify right side
    10,912.18x = 89,512,277.23
  5. Step 5: Solve for x
    x = 89,512,277.23/10,912.18
  6. Step 6: Final answer
    x = 8,202.97

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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.