Home / 10,114.99-15,171.67-3,450.92

Finding the Fourth Proportional to 10,114.99, 15,171.67 and 3,450.92

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Solution

The fourth proportional to 10,114.99, 15,171.67 and 3,450.92 is: 5,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.99 : 15,171.67 = 3,450.92 : x
  2. Step 2: Convert to fraction form
    10,114.99/15,171.67 = 3,450.92/x
  3. Step 3: Cross multiply
    10,114.99x = 15,171.67 × 3,450.92
  4. Step 4: Simplify right side
    10,114.99x = 52,356,134.95
  5. Step 5: Solve for x
    x = 52,356,134.95/10,114.99
  6. Step 6: Final answer
    x = 5,176.09

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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.