Home / 11,766.75-16,238.12-6,461.66

Finding the Fourth Proportional to 11,766.75, 16,238.12 and 6,461.66

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Solution

The fourth proportional to 11,766.75, 16,238.12 and 6,461.66 is: 8,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.75 : 16,238.12 = 6,461.66 : x
  2. Step 2: Convert to fraction form
    11,766.75/16,238.12 = 6,461.66/x
  3. Step 3: Cross multiply
    11,766.75x = 16,238.12 × 6,461.66
  4. Step 4: Simplify right side
    11,766.75x = 104,925,096.98
  5. Step 5: Solve for x
    x = 104,925,096.98/11,766.75
  6. Step 6: Final answer
    x = 8,917.08

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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.