Home / 11,676.09-16,113-6,370.91

Finding the Fourth Proportional to 11,676.09, 16,113 and 6,370.91

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Solution

The fourth proportional to 11,676.09, 16,113 and 6,370.91 is: 8,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.09 : 16,113 = 6,370.91 : x
  2. Step 2: Convert to fraction form
    11,676.09/16,113 = 6,370.91/x
  3. Step 3: Cross multiply
    11,676.09x = 16,113 × 6,370.91
  4. Step 4: Simplify right side
    11,676.09x = 102,654,472.83
  5. Step 5: Solve for x
    x = 102,654,472.83/11,676.09
  6. Step 6: Final answer
    x = 8,791.85

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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.