Home / 11,224.56-15,489.76-6,188.64

Finding the Fourth Proportional to 11,224.56, 15,489.76 and 6,188.64

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Solution

The fourth proportional to 11,224.56, 15,489.76 and 6,188.64 is: 8,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.56 : 15,489.76 = 6,188.64 : x
  2. Step 2: Convert to fraction form
    11,224.56/15,489.76 = 6,188.64/x
  3. Step 3: Cross multiply
    11,224.56x = 15,489.76 × 6,188.64
  4. Step 4: Simplify right side
    11,224.56x = 95,860,548.33
  5. Step 5: Solve for x
    x = 95,860,548.33/11,224.56
  6. Step 6: Final answer
    x = 8,540.25

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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.