Home / 12,450.75-17,183.12-6,862.83

Finding the Fourth Proportional to 12,450.75, 17,183.12 and 6,862.83

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Solution

The fourth proportional to 12,450.75, 17,183.12 and 6,862.83 is: 9,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.75 : 17,183.12 = 6,862.83 : x
  2. Step 2: Convert to fraction form
    12,450.75/17,183.12 = 6,862.83/x
  3. Step 3: Cross multiply
    12,450.75x = 17,183.12 × 6,862.83
  4. Step 4: Simplify right side
    12,450.75x = 117,924,797.12
  5. Step 5: Solve for x
    x = 117,924,797.12/12,450.75
  6. Step 6: Final answer
    x = 9,471.30

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Find fourth proportional to 6,225.38, 8,591.56 and 3,431.42
Half scale
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Double scale
Find fourth proportional to 12,451.75, 17,184.50 and 6,863.83
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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.