Home / 8,173.83-11,278.21-4,636.11

Finding the Fourth Proportional to 8,173.83, 11,278.21 and 4,636.11

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Solution

The fourth proportional to 8,173.83, 11,278.21 and 4,636.11 is: 6,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.83 : 11,278.21 = 4,636.11 : x
  2. Step 2: Convert to fraction form
    8,173.83/11,278.21 = 4,636.11/x
  3. Step 3: Cross multiply
    8,173.83x = 11,278.21 × 4,636.11
  4. Step 4: Simplify right side
    8,173.83x = 52,287,022.16
  5. Step 5: Solve for x
    x = 52,287,022.16/8,173.83
  6. Step 6: Final answer
    x = 6,396.88

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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.