Home / 8,179.83-11,288.75-4,643.27

Finding the Fourth Proportional to 8,179.83, 11,288.75 and 4,643.27

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Solution

The fourth proportional to 8,179.83, 11,288.75 and 4,643.27 is: 6,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.83 : 11,288.75 = 4,643.27 : x
  2. Step 2: Convert to fraction form
    8,179.83/11,288.75 = 4,643.27/x
  3. Step 3: Cross multiply
    8,179.83x = 11,288.75 × 4,643.27
  4. Step 4: Simplify right side
    8,179.83x = 52,416,714.21
  5. Step 5: Solve for x
    x = 52,416,714.21/8,179.83
  6. Step 6: Final answer
    x = 6,408.04

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Similar ratio
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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.