Home / 12,150.48-18,219.24-6,292.56

Finding the Fourth Proportional to 12,150.48, 18,219.24 and 6,292.56

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Solution

The fourth proportional to 12,150.48, 18,219.24 and 6,292.56 is: 9,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.48 : 18,219.24 = 6,292.56 : x
  2. Step 2: Convert to fraction form
    12,150.48/18,219.24 = 6,292.56/x
  3. Step 3: Cross multiply
    12,150.48x = 18,219.24 × 6,292.56
  4. Step 4: Simplify right side
    12,150.48x = 114,645,660.85
  5. Step 5: Solve for x
    x = 114,645,660.85/12,150.48
  6. Step 6: Final answer
    x = 9,435.48

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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.