Home / 11,039.36-15,236.48-6,326.80

Finding the Fourth Proportional to 11,039.36, 15,236.48 and 6,326.80

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Solution

The fourth proportional to 11,039.36, 15,236.48 and 6,326.80 is: 8,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.36 : 15,236.48 = 6,326.80 : x
  2. Step 2: Convert to fraction form
    11,039.36/15,236.48 = 6,326.80/x
  3. Step 3: Cross multiply
    11,039.36x = 15,236.48 × 6,326.80
  4. Step 4: Simplify right side
    11,039.36x = 96,398,161.66
  5. Step 5: Solve for x
    x = 96,398,161.66/11,039.36
  6. Step 6: Final answer
    x = 8,732.22

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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.