Home / 11,932.95-16,456.49-8,110.31

Finding the Fourth Proportional to 11,932.95, 16,456.49 and 8,110.31

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Solution

The fourth proportional to 11,932.95, 16,456.49 and 8,110.31 is: 11,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.95 : 16,456.49 = 8,110.31 : x
  2. Step 2: Convert to fraction form
    11,932.95/16,456.49 = 8,110.31/x
  3. Step 3: Cross multiply
    11,932.95x = 16,456.49 × 8,110.31
  4. Step 4: Simplify right side
    11,932.95x = 133,467,112.58
  5. Step 5: Solve for x
    x = 133,467,112.58/11,932.95
  6. Step 6: Final answer
    x = 11,184.75

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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.