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Finding the Fourth Proportional to 11,460.71, 17,193.09 and 5,912.55

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Solution

The fourth proportional to 11,460.71, 17,193.09 and 5,912.55 is: 8,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.71 : 17,193.09 = 5,912.55 : x
  2. Step 2: Convert to fraction form
    11,460.71/17,193.09 = 5,912.55/x
  3. Step 3: Cross multiply
    11,460.71x = 17,193.09 × 5,912.55
  4. Step 4: Simplify right side
    11,460.71x = 101,655,004.28
  5. Step 5: Solve for x
    x = 101,655,004.28/11,460.71
  6. Step 6: Final answer
    x = 8,869.87

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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.