Home / 11,616.98-16,031.25-6,581.21

Finding the Fourth Proportional to 11,616.98, 16,031.25 and 6,581.21

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Solution

The fourth proportional to 11,616.98, 16,031.25 and 6,581.21 is: 9,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.98 : 16,031.25 = 6,581.21 : x
  2. Step 2: Convert to fraction form
    11,616.98/16,031.25 = 6,581.21/x
  3. Step 3: Cross multiply
    11,616.98x = 16,031.25 × 6,581.21
  4. Step 4: Simplify right side
    11,616.98x = 105,504,942.66
  5. Step 5: Solve for x
    x = 105,504,942.66/11,616.98
  6. Step 6: Final answer
    x = 9,081.96

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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.