Home / 11,156.22-16,736.90-3,258.86

Finding the Fourth Proportional to 11,156.22, 16,736.90 and 3,258.86

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Solution

The fourth proportional to 11,156.22, 16,736.90 and 3,258.86 is: 4,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.22 : 16,736.90 = 3,258.86 : x
  2. Step 2: Convert to fraction form
    11,156.22/16,736.90 = 3,258.86/x
  3. Step 3: Cross multiply
    11,156.22x = 16,736.90 × 3,258.86
  4. Step 4: Simplify right side
    11,156.22x = 54,543,113.96
  5. Step 5: Solve for x
    x = 54,543,113.96/11,156.22
  6. Step 6: Final answer
    x = 4,889.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.