Home / 11,850.68-17,772.77-4,454.57

Finding the Fourth Proportional to 11,850.68, 17,772.77 and 4,454.57

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Solution

The fourth proportional to 11,850.68, 17,772.77 and 4,454.57 is: 6,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.68 : 17,772.77 = 4,454.57 : x
  2. Step 2: Convert to fraction form
    11,850.68/17,772.77 = 4,454.57/x
  3. Step 3: Cross multiply
    11,850.68x = 17,772.77 × 4,454.57
  4. Step 4: Simplify right side
    11,850.68x = 79,169,970.33
  5. Step 5: Solve for x
    x = 79,169,970.33/11,850.68
  6. Step 6: Final answer
    x = 6,680.63

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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.