Home / 11,845.87-17,765.70-3,523.64

Finding the Fourth Proportional to 11,845.87, 17,765.70 and 3,523.64

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Solution

The fourth proportional to 11,845.87, 17,765.70 and 3,523.64 is: 5,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.87 : 17,765.70 = 3,523.64 : x
  2. Step 2: Convert to fraction form
    11,845.87/17,765.70 = 3,523.64/x
  3. Step 3: Cross multiply
    11,845.87x = 17,765.70 × 3,523.64
  4. Step 4: Simplify right side
    11,845.87x = 62,599,931.15
  5. Step 5: Solve for x
    x = 62,599,931.15/11,845.87
  6. Step 6: Final answer
    x = 5,284.54

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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.