Home / 12,350.46-18,512.39-5,333.78

Finding the Fourth Proportional to 12,350.46, 18,512.39 and 5,333.78

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Solution

The fourth proportional to 12,350.46, 18,512.39 and 5,333.78 is: 7,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.46 : 18,512.39 = 5,333.78 : x
  2. Step 2: Convert to fraction form
    12,350.46/18,512.39 = 5,333.78/x
  3. Step 3: Cross multiply
    12,350.46x = 18,512.39 × 5,333.78
  4. Step 4: Simplify right side
    12,350.46x = 98,740,896.30
  5. Step 5: Solve for x
    x = 98,740,896.30/12,350.46
  6. Step 6: Final answer
    x = 7,994.92

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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.