Home / 9,255.44-12,772.29-5,671.80

Finding the Fourth Proportional to 9,255.44, 12,772.29 and 5,671.80

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Solution

The fourth proportional to 9,255.44, 12,772.29 and 5,671.80 is: 7,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.44 : 12,772.29 = 5,671.80 : x
  2. Step 2: Convert to fraction form
    9,255.44/12,772.29 = 5,671.80/x
  3. Step 3: Cross multiply
    9,255.44x = 12,772.29 × 5,671.80
  4. Step 4: Simplify right side
    9,255.44x = 72,441,874.42
  5. Step 5: Solve for x
    x = 72,441,874.42/9,255.44
  6. Step 6: Final answer
    x = 7,826.95

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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.