Home / 11,826.09-16,318.76-6,520.59

Finding the Fourth Proportional to 11,826.09, 16,318.76 and 6,520.59

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Solution

The fourth proportional to 11,826.09, 16,318.76 and 6,520.59 is: 8,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.09 : 16,318.76 = 6,520.59 : x
  2. Step 2: Convert to fraction form
    11,826.09/16,318.76 = 6,520.59/x
  3. Step 3: Cross multiply
    11,826.09x = 16,318.76 × 6,520.59
  4. Step 4: Simplify right side
    11,826.09x = 106,407,910.67
  5. Step 5: Solve for x
    x = 106,407,910.67/11,826.09
  6. Step 6: Final answer
    x = 8,997.73

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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.