Home / 12,451.96-17,183.48-6,786.76

Finding the Fourth Proportional to 12,451.96, 17,183.48 and 6,786.76

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Solution

The fourth proportional to 12,451.96, 17,183.48 and 6,786.76 is: 9,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.96 : 17,183.48 = 6,786.76 : x
  2. Step 2: Convert to fraction form
    12,451.96/17,183.48 = 6,786.76/x
  3. Step 3: Cross multiply
    12,451.96x = 17,183.48 × 6,786.76
  4. Step 4: Simplify right side
    12,451.96x = 116,620,154.72
  5. Step 5: Solve for x
    x = 116,620,154.72/12,451.96
  6. Step 6: Final answer
    x = 9,365.61

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Find fourth proportional to 6,225.98, 8,591.74 and 3,393.38
Half scale
Find fourth proportional to 24,903.92, 34,366.96 and 13,573.52
Double scale
Find fourth proportional to 12,452.96, 17,184.86 and 6,787.76
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.