Home / 11,171.22-15,416.53-6,135.75

Finding the Fourth Proportional to 11,171.22, 15,416.53 and 6,135.75

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Solution

The fourth proportional to 11,171.22, 15,416.53 and 6,135.75 is: 8,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.22 : 15,416.53 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    11,171.22/15,416.53 = 6,135.75/x
  3. Step 3: Cross multiply
    11,171.22x = 15,416.53 × 6,135.75
  4. Step 4: Simplify right side
    11,171.22x = 94,591,958.61
  5. Step 5: Solve for x
    x = 94,591,958.61/11,171.22
  6. Step 6: Final answer
    x = 8,467.47

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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.