Home / 11,657.14-16,086.66-6,351.94

Finding the Fourth Proportional to 11,657.14, 16,086.66 and 6,351.94

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Solution

The fourth proportional to 11,657.14, 16,086.66 and 6,351.94 is: 8,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.14 : 16,086.66 = 6,351.94 : x
  2. Step 2: Convert to fraction form
    11,657.14/16,086.66 = 6,351.94/x
  3. Step 3: Cross multiply
    11,657.14x = 16,086.66 × 6,351.94
  4. Step 4: Simplify right side
    11,657.14x = 102,181,499.12
  5. Step 5: Solve for x
    x = 102,181,499.12/11,657.14
  6. Step 6: Final answer
    x = 8,765.57

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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.