Home / 11,768.25-16,239.37-6,461.97

Finding the Fourth Proportional to 11,768.25, 16,239.37 and 6,461.97

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Solution

The fourth proportional to 11,768.25, 16,239.37 and 6,461.97 is: 8,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.25 : 16,239.37 = 6,461.97 : x
  2. Step 2: Convert to fraction form
    11,768.25/16,239.37 = 6,461.97/x
  3. Step 3: Cross multiply
    11,768.25x = 16,239.37 × 6,461.97
  4. Step 4: Simplify right side
    11,768.25x = 104,938,321.76
  5. Step 5: Solve for x
    x = 104,938,321.76/11,768.25
  6. Step 6: Final answer
    x = 8,917.07

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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.