Home / 11,904.42-17,856.82-4,512.36

Finding the Fourth Proportional to 11,904.42, 17,856.82 and 4,512.36

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Solution

The fourth proportional to 11,904.42, 17,856.82 and 4,512.36 is: 6,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.42 : 17,856.82 = 4,512.36 : x
  2. Step 2: Convert to fraction form
    11,904.42/17,856.82 = 4,512.36/x
  3. Step 3: Cross multiply
    11,904.42x = 17,856.82 × 4,512.36
  4. Step 4: Simplify right side
    11,904.42x = 80,576,400.30
  5. Step 5: Solve for x
    x = 80,576,400.30/11,904.42
  6. Step 6: Final answer
    x = 6,768.61

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1.5x scale

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.