Home / 11,591.33-15,996.15-6,555.60

Finding the Fourth Proportional to 11,591.33, 15,996.15 and 6,555.60

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Solution

The fourth proportional to 11,591.33, 15,996.15 and 6,555.60 is: 9,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.33 : 15,996.15 = 6,555.60 : x
  2. Step 2: Convert to fraction form
    11,591.33/15,996.15 = 6,555.60/x
  3. Step 3: Cross multiply
    11,591.33x = 15,996.15 × 6,555.60
  4. Step 4: Simplify right side
    11,591.33x = 104,864,360.94
  5. Step 5: Solve for x
    x = 104,864,360.94/11,591.33
  6. Step 6: Final answer
    x = 9,046.80

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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.