Home / 12,166.92-16,790.35-6,861.73

Finding the Fourth Proportional to 12,166.92, 16,790.35 and 6,861.73

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Solution

The fourth proportional to 12,166.92, 16,790.35 and 6,861.73 is: 9,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.92 : 16,790.35 = 6,861.73 : x
  2. Step 2: Convert to fraction form
    12,166.92/16,790.35 = 6,861.73/x
  3. Step 3: Cross multiply
    12,166.92x = 16,790.35 × 6,861.73
  4. Step 4: Simplify right side
    12,166.92x = 115,210,848.31
  5. Step 5: Solve for x
    x = 115,210,848.31/12,166.92
  6. Step 6: Final answer
    x = 9,469.19

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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.