Home / 11,591.44-15,996.18-6,876.63

Finding the Fourth Proportional to 11,591.44, 15,996.18 and 6,876.63

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Solution

The fourth proportional to 11,591.44, 15,996.18 and 6,876.63 is: 9,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.44 : 15,996.18 = 6,876.63 : x
  2. Step 2: Convert to fraction form
    11,591.44/15,996.18 = 6,876.63/x
  3. Step 3: Cross multiply
    11,591.44x = 15,996.18 × 6,876.63
  4. Step 4: Simplify right side
    11,591.44x = 109,999,837.06
  5. Step 5: Solve for x
    x = 109,999,837.06/11,591.44
  6. Step 6: Final answer
    x = 9,489.75

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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.