Home / 11,656.85-16,086.38-6,351.66

Finding the Fourth Proportional to 11,656.85, 16,086.38 and 6,351.66

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Solution

The fourth proportional to 11,656.85, 16,086.38 and 6,351.66 is: 8,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.85 : 16,086.38 = 6,351.66 : x
  2. Step 2: Convert to fraction form
    11,656.85/16,086.38 = 6,351.66/x
  3. Step 3: Cross multiply
    11,656.85x = 16,086.38 × 6,351.66
  4. Step 4: Simplify right side
    11,656.85x = 102,175,184.63
  5. Step 5: Solve for x
    x = 102,175,184.63/11,656.85
  6. Step 6: Final answer
    x = 8,765.25

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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.