Home / 11,812.13-17,708.14-5,234.73

Finding the Fourth Proportional to 11,812.13, 17,708.14 and 5,234.73

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Solution

The fourth proportional to 11,812.13, 17,708.14 and 5,234.73 is: 7,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.13 : 17,708.14 = 5,234.73 : x
  2. Step 2: Convert to fraction form
    11,812.13/17,708.14 = 5,234.73/x
  3. Step 3: Cross multiply
    11,812.13x = 17,708.14 × 5,234.73
  4. Step 4: Simplify right side
    11,812.13x = 92,697,331.70
  5. Step 5: Solve for x
    x = 92,697,331.70/11,812.13
  6. Step 6: Final answer
    x = 7,847.64

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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.