Home / 8,518.82-11,752.67-6,286.05

Finding the Fourth Proportional to 8,518.82, 11,752.67 and 6,286.05

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Solution

The fourth proportional to 8,518.82, 11,752.67 and 6,286.05 is: 8,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.82 : 11,752.67 = 6,286.05 : x
  2. Step 2: Convert to fraction form
    8,518.82/11,752.67 = 6,286.05/x
  3. Step 3: Cross multiply
    8,518.82x = 11,752.67 × 6,286.05
  4. Step 4: Simplify right side
    8,518.82x = 73,877,839.82
  5. Step 5: Solve for x
    x = 73,877,839.82/8,518.82
  6. Step 6: Final answer
    x = 8,672.31

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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.