Home / 8,880.44-12,255.82-6,195.55

Finding the Fourth Proportional to 8,880.44, 12,255.82 and 6,195.55

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Solution

The fourth proportional to 8,880.44, 12,255.82 and 6,195.55 is: 8,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.44 : 12,255.82 = 6,195.55 : x
  2. Step 2: Convert to fraction form
    8,880.44/12,255.82 = 6,195.55/x
  3. Step 3: Cross multiply
    8,880.44x = 12,255.82 × 6,195.55
  4. Step 4: Simplify right side
    8,880.44x = 75,931,548.40
  5. Step 5: Solve for x
    x = 75,931,548.40/8,880.44
  6. Step 6: Final answer
    x = 8,550.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.