Home / 11,261.44-15,538.16-6,542.88

Finding the Fourth Proportional to 11,261.44, 15,538.16 and 6,542.88

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Solution

The fourth proportional to 11,261.44, 15,538.16 and 6,542.88 is: 9,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.44 : 15,538.16 = 6,542.88 : x
  2. Step 2: Convert to fraction form
    11,261.44/15,538.16 = 6,542.88/x
  3. Step 3: Cross multiply
    11,261.44x = 15,538.16 × 6,542.88
  4. Step 4: Simplify right side
    11,261.44x = 101,664,316.30
  5. Step 5: Solve for x
    x = 101,664,316.30/11,261.44
  6. Step 6: Final answer
    x = 9,027.65

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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.