Home / 11,157.38-16,734.28-3,258.04

Finding the Fourth Proportional to 11,157.38, 16,734.28 and 3,258.04

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Solution

The fourth proportional to 11,157.38, 16,734.28 and 3,258.04 is: 4,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.38 : 16,734.28 = 3,258.04 : x
  2. Step 2: Convert to fraction form
    11,157.38/16,734.28 = 3,258.04/x
  3. Step 3: Cross multiply
    11,157.38x = 16,734.28 × 3,258.04
  4. Step 4: Simplify right side
    11,157.38x = 54,520,953.61
  5. Step 5: Solve for x
    x = 54,520,953.61/11,157.38
  6. Step 6: Final answer
    x = 4,886.54

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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.