Home / 10,815.44-16,224.60-5,268.05

Finding the Fourth Proportional to 10,815.44, 16,224.60 and 5,268.05

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Solution

The fourth proportional to 10,815.44, 16,224.60 and 5,268.05 is: 7,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.44 : 16,224.60 = 5,268.05 : x
  2. Step 2: Convert to fraction form
    10,815.44/16,224.60 = 5,268.05/x
  3. Step 3: Cross multiply
    10,815.44x = 16,224.60 × 5,268.05
  4. Step 4: Simplify right side
    10,815.44x = 85,472,094.77
  5. Step 5: Solve for x
    x = 85,472,094.77/10,815.44
  6. Step 6: Final answer
    x = 7,902.78

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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.