Home / 11,438.89-17,152.70-4,773.37

Finding the Fourth Proportional to 11,438.89, 17,152.70 and 4,773.37

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Solution

The fourth proportional to 11,438.89, 17,152.70 and 4,773.37 is: 7,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.89 : 17,152.70 = 4,773.37 : x
  2. Step 2: Convert to fraction form
    11,438.89/17,152.70 = 4,773.37/x
  3. Step 3: Cross multiply
    11,438.89x = 17,152.70 × 4,773.37
  4. Step 4: Simplify right side
    11,438.89x = 81,876,183.60
  5. Step 5: Solve for x
    x = 81,876,183.60/11,438.89
  6. Step 6: Final answer
    x = 7,157.70

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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.