Home / 12,134.24-18,199.34-3,370.04

Finding the Fourth Proportional to 12,134.24, 18,199.34 and 3,370.04

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Solution

The fourth proportional to 12,134.24, 18,199.34 and 3,370.04 is: 5,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.24 : 18,199.34 = 3,370.04 : x
  2. Step 2: Convert to fraction form
    12,134.24/18,199.34 = 3,370.04/x
  3. Step 3: Cross multiply
    12,134.24x = 18,199.34 × 3,370.04
  4. Step 4: Simplify right side
    12,134.24x = 61,332,486.92
  5. Step 5: Solve for x
    x = 61,332,486.92/12,134.24
  6. Step 6: Final answer
    x = 5,054.50

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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.