Home / 8,832.80-12,183.60-6,733.28

Finding the Fourth Proportional to 8,832.80, 12,183.60 and 6,733.28

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Solution

The fourth proportional to 8,832.80, 12,183.60 and 6,733.28 is: 9,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.80 : 12,183.60 = 6,733.28 : x
  2. Step 2: Convert to fraction form
    8,832.80/12,183.60 = 6,733.28/x
  3. Step 3: Cross multiply
    8,832.80x = 12,183.60 × 6,733.28
  4. Step 4: Simplify right side
    8,832.80x = 82,035,590.21
  5. Step 5: Solve for x
    x = 82,035,590.21/8,832.80
  6. Step 6: Final answer
    x = 9,287.61

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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.