Home / 8,784.85-13,179.48-6,192.85

Finding the Fourth Proportional to 8,784.85, 13,179.48 and 6,192.85

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Solution

The fourth proportional to 8,784.85, 13,179.48 and 6,192.85 is: 9,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.85 : 13,179.48 = 6,192.85 : x
  2. Step 2: Convert to fraction form
    8,784.85/13,179.48 = 6,192.85/x
  3. Step 3: Cross multiply
    8,784.85x = 13,179.48 × 6,192.85
  4. Step 4: Simplify right side
    8,784.85x = 81,618,542.72
  5. Step 5: Solve for x
    x = 81,618,542.72/8,784.85
  6. Step 6: Final answer
    x = 9,290.83

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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.