Home / 11,531.54-15,914.37-6,496.31

Finding the Fourth Proportional to 11,531.54, 15,914.37 and 6,496.31

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Solution

The fourth proportional to 11,531.54, 15,914.37 and 6,496.31 is: 8,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.54 : 15,914.37 = 6,496.31 : x
  2. Step 2: Convert to fraction form
    11,531.54/15,914.37 = 6,496.31/x
  3. Step 3: Cross multiply
    11,531.54x = 15,914.37 × 6,496.31
  4. Step 4: Simplify right side
    11,531.54x = 103,384,680.97
  5. Step 5: Solve for x
    x = 103,384,680.97/11,531.54
  6. Step 6: Final answer
    x = 8,965.38

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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.