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Finding the Fourth Proportional to 11,879.96, 16,394.09 and 6,502.37

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Solution

The fourth proportional to 11,879.96, 16,394.09 and 6,502.37 is: 8,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.96 : 16,394.09 = 6,502.37 : x
  2. Step 2: Convert to fraction form
    11,879.96/16,394.09 = 6,502.37/x
  3. Step 3: Cross multiply
    11,879.96x = 16,394.09 × 6,502.37
  4. Step 4: Simplify right side
    11,879.96x = 106,600,324.51
  5. Step 5: Solve for x
    x = 106,600,324.51/11,879.96
  6. Step 6: Final answer
    x = 8,973.13

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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.