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Finding the Fourth Proportional to 11,936.13, 16,471.94 and 7,462.51

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Solution

The fourth proportional to 11,936.13, 16,471.94 and 7,462.51 is: 10,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.13 : 16,471.94 = 7,462.51 : x
  2. Step 2: Convert to fraction form
    11,936.13/16,471.94 = 7,462.51/x
  3. Step 3: Cross multiply
    11,936.13x = 16,471.94 × 7,462.51
  4. Step 4: Simplify right side
    11,936.13x = 122,922,016.97
  5. Step 5: Solve for x
    x = 122,922,016.97/11,936.13
  6. Step 6: Final answer
    x = 10,298.31

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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.