Home / 11,910.83-16,435.76-6,876.68

Finding the Fourth Proportional to 11,910.83, 16,435.76 and 6,876.68

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Solution

The fourth proportional to 11,910.83, 16,435.76 and 6,876.68 is: 9,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.83 : 16,435.76 = 6,876.68 : x
  2. Step 2: Convert to fraction form
    11,910.83/16,435.76 = 6,876.68/x
  3. Step 3: Cross multiply
    11,910.83x = 16,435.76 × 6,876.68
  4. Step 4: Simplify right side
    11,910.83x = 113,023,462.08
  5. Step 5: Solve for x
    x = 113,023,462.08/11,910.83
  6. Step 6: Final answer
    x = 9,489.13

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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.