Home / 11,961.25-16,504.89-6,655.34

Finding the Fourth Proportional to 11,961.25, 16,504.89 and 6,655.34

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Solution

The fourth proportional to 11,961.25, 16,504.89 and 6,655.34 is: 9,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.25 : 16,504.89 = 6,655.34 : x
  2. Step 2: Convert to fraction form
    11,961.25/16,504.89 = 6,655.34/x
  3. Step 3: Cross multiply
    11,961.25x = 16,504.89 × 6,655.34
  4. Step 4: Simplify right side
    11,961.25x = 109,845,654.61
  5. Step 5: Solve for x
    x = 109,845,654.61/11,961.25
  6. Step 6: Final answer
    x = 9,183.46

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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.