Home / 12,262.64-18,388.44-3,495.56

Finding the Fourth Proportional to 12,262.64, 18,388.44 and 3,495.56

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Solution

The fourth proportional to 12,262.64, 18,388.44 and 3,495.56 is: 5,241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.64 : 18,388.44 = 3,495.56 : x
  2. Step 2: Convert to fraction form
    12,262.64/18,388.44 = 3,495.56/x
  3. Step 3: Cross multiply
    12,262.64x = 18,388.44 × 3,495.56
  4. Step 4: Simplify right side
    12,262.64x = 64,277,895.33
  5. Step 5: Solve for x
    x = 64,277,895.33/12,262.64
  6. Step 6: Final answer
    x = 5,241.77

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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.