Home / 10,453.74-15,669.62-3,431.94

Finding the Fourth Proportional to 10,453.74, 15,669.62 and 3,431.94

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Solution

The fourth proportional to 10,453.74, 15,669.62 and 3,431.94 is: 5,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.74 : 15,669.62 = 3,431.94 : x
  2. Step 2: Convert to fraction form
    10,453.74/15,669.62 = 3,431.94/x
  3. Step 3: Cross multiply
    10,453.74x = 15,669.62 × 3,431.94
  4. Step 4: Simplify right side
    10,453.74x = 53,777,195.66
  5. Step 5: Solve for x
    x = 53,777,195.66/10,453.74
  6. Step 6: Final answer
    x = 5,144.30

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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.