Home / 8,186.96-11,302.79-5,538.26

Finding the Fourth Proportional to 8,186.96, 11,302.79 and 5,538.26

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Solution

The fourth proportional to 8,186.96, 11,302.79 and 5,538.26 is: 7,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.96 : 11,302.79 = 5,538.26 : x
  2. Step 2: Convert to fraction form
    8,186.96/11,302.79 = 5,538.26/x
  3. Step 3: Cross multiply
    8,186.96x = 11,302.79 × 5,538.26
  4. Step 4: Simplify right side
    8,186.96x = 62,597,705.54
  5. Step 5: Solve for x
    x = 62,597,705.54/8,186.96
  6. Step 6: Final answer
    x = 7,646.03

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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.