Home / 8,137.87-11,236.61-6,246.44

Finding the Fourth Proportional to 8,137.87, 11,236.61 and 6,246.44

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Solution

The fourth proportional to 8,137.87, 11,236.61 and 6,246.44 is: 8,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.87 : 11,236.61 = 6,246.44 : x
  2. Step 2: Convert to fraction form
    8,137.87/11,236.61 = 6,246.44/x
  3. Step 3: Cross multiply
    8,137.87x = 11,236.61 × 6,246.44
  4. Step 4: Simplify right side
    8,137.87x = 70,188,810.17
  5. Step 5: Solve for x
    x = 70,188,810.17/8,137.87
  6. Step 6: Final answer
    x = 8,624.96

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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.