Home / 11,822.41-16,314.87-6,517.12

Finding the Fourth Proportional to 11,822.41, 16,314.87 and 6,517.12

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Solution

The fourth proportional to 11,822.41, 16,314.87 and 6,517.12 is: 8,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.41 : 16,314.87 = 6,517.12 : x
  2. Step 2: Convert to fraction form
    11,822.41/16,314.87 = 6,517.12/x
  3. Step 3: Cross multiply
    11,822.41x = 16,314.87 × 6,517.12
  4. Step 4: Simplify right side
    11,822.41x = 106,325,965.57
  5. Step 5: Solve for x
    x = 106,325,965.57/11,822.41
  6. Step 6: Final answer
    x = 8,993.59

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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.