Home / 8,772.85-13,161.44-6,180.85

Finding the Fourth Proportional to 8,772.85, 13,161.44 and 6,180.85

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Solution

The fourth proportional to 8,772.85, 13,161.44 and 6,180.85 is: 9,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.85 : 13,161.44 = 6,180.85 : x
  2. Step 2: Convert to fraction form
    8,772.85/13,161.44 = 6,180.85/x
  3. Step 3: Cross multiply
    8,772.85x = 13,161.44 × 6,180.85
  4. Step 4: Simplify right side
    8,772.85x = 81,348,886.42
  5. Step 5: Solve for x
    x = 81,348,886.42/8,772.85
  6. Step 6: Final answer
    x = 9,272.80

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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.