Home / 11,910.75-16,436.84-6,606.38

Finding the Fourth Proportional to 11,910.75, 16,436.84 and 6,606.38

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Solution

The fourth proportional to 11,910.75, 16,436.84 and 6,606.38 is: 9,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.75 : 16,436.84 = 6,606.38 : x
  2. Step 2: Convert to fraction form
    11,910.75/16,436.84 = 6,606.38/x
  3. Step 3: Cross multiply
    11,910.75x = 16,436.84 × 6,606.38
  4. Step 4: Simplify right side
    11,910.75x = 108,588,011.04
  5. Step 5: Solve for x
    x = 108,588,011.04/11,910.75
  6. Step 6: Final answer
    x = 9,116.81

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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.