Home / 11,766.75-16,238.43-6,461.79

Finding the Fourth Proportional to 11,766.75, 16,238.43 and 6,461.79

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Solution

The fourth proportional to 11,766.75, 16,238.43 and 6,461.79 is: 8,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.75 : 16,238.43 = 6,461.79 : x
  2. Step 2: Convert to fraction form
    11,766.75/16,238.43 = 6,461.79/x
  3. Step 3: Cross multiply
    11,766.75x = 16,238.43 × 6,461.79
  4. Step 4: Simplify right side
    11,766.75x = 104,929,324.59
  5. Step 5: Solve for x
    x = 104,929,324.59/11,766.75
  6. Step 6: Final answer
    x = 8,917.44

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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.