Home / 10,912.27-15,058.54-6,670.44

Finding the Fourth Proportional to 10,912.27, 15,058.54 and 6,670.44

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Solution

The fourth proportional to 10,912.27, 15,058.54 and 6,670.44 is: 9,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.27 : 15,058.54 = 6,670.44 : x
  2. Step 2: Convert to fraction form
    10,912.27/15,058.54 = 6,670.44/x
  3. Step 3: Cross multiply
    10,912.27x = 15,058.54 × 6,670.44
  4. Step 4: Simplify right side
    10,912.27x = 100,447,087.56
  5. Step 5: Solve for x
    x = 100,447,087.56/10,912.27
  6. Step 6: Final answer
    x = 9,204.97

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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.