Home / 8,316.20-12,474.81-3,383.13

Finding the Fourth Proportional to 8,316.20, 12,474.81 and 3,383.13

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Solution

The fourth proportional to 8,316.20, 12,474.81 and 3,383.13 is: 5,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.20 : 12,474.81 = 3,383.13 : x
  2. Step 2: Convert to fraction form
    8,316.20/12,474.81 = 3,383.13/x
  3. Step 3: Cross multiply
    8,316.20x = 12,474.81 × 3,383.13
  4. Step 4: Simplify right side
    8,316.20x = 42,203,903.96
  5. Step 5: Solve for x
    x = 42,203,903.96/8,316.20
  6. Step 6: Final answer
    x = 5,074.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.