Home / 11,616.82-16,031.18-6,311.66

Finding the Fourth Proportional to 11,616.82, 16,031.18 and 6,311.66

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Solution

The fourth proportional to 11,616.82, 16,031.18 and 6,311.66 is: 8,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.82 : 16,031.18 = 6,311.66 : x
  2. Step 2: Convert to fraction form
    11,616.82/16,031.18 = 6,311.66/x
  3. Step 3: Cross multiply
    11,616.82x = 16,031.18 × 6,311.66
  4. Step 4: Simplify right side
    11,616.82x = 101,183,293.18
  5. Step 5: Solve for x
    x = 101,183,293.18/11,616.82
  6. Step 6: Final answer
    x = 8,710.07

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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.