Home / 11,876.76-16,388.60-6,571.13

Finding the Fourth Proportional to 11,876.76, 16,388.60 and 6,571.13

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Solution

The fourth proportional to 11,876.76, 16,388.60 and 6,571.13 is: 9,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.76 : 16,388.60 = 6,571.13 : x
  2. Step 2: Convert to fraction form
    11,876.76/16,388.60 = 6,571.13/x
  3. Step 3: Cross multiply
    11,876.76x = 16,388.60 × 6,571.13
  4. Step 4: Simplify right side
    11,876.76x = 107,691,506.32
  5. Step 5: Solve for x
    x = 107,691,506.32/11,876.76
  6. Step 6: Final answer
    x = 9,067.41

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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.