Home / 11,822.15-16,313.87-6,517.06

Finding the Fourth Proportional to 11,822.15, 16,313.87 and 6,517.06

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Solution

The fourth proportional to 11,822.15, 16,313.87 and 6,517.06 is: 8,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.15 : 16,313.87 = 6,517.06 : x
  2. Step 2: Convert to fraction form
    11,822.15/16,313.87 = 6,517.06/x
  3. Step 3: Cross multiply
    11,822.15x = 16,313.87 × 6,517.06
  4. Step 4: Simplify right side
    11,822.15x = 106,318,445.13
  5. Step 5: Solve for x
    x = 106,318,445.13/11,822.15
  6. Step 6: Final answer
    x = 8,993.15

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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.