Home / 11,824.32-16,318.29-6,519.12

Finding the Fourth Proportional to 11,824.32, 16,318.29 and 6,519.12

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Solution

The fourth proportional to 11,824.32, 16,318.29 and 6,519.12 is: 8,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.32 : 16,318.29 = 6,519.12 : x
  2. Step 2: Convert to fraction form
    11,824.32/16,318.29 = 6,519.12/x
  3. Step 3: Cross multiply
    11,824.32x = 16,318.29 × 6,519.12
  4. Step 4: Simplify right side
    11,824.32x = 106,380,890.70
  5. Step 5: Solve for x
    x = 106,380,890.70/11,824.32
  6. Step 6: Final answer
    x = 8,996.79

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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.