Home / 12,096.92-18,121.08-8,816.96

Finding the Fourth Proportional to 12,096.92, 18,121.08 and 8,816.96

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Solution

The fourth proportional to 12,096.92, 18,121.08 and 8,816.96 is: 13,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.92 : 18,121.08 = 8,816.96 : x
  2. Step 2: Convert to fraction form
    12,096.92/18,121.08 = 8,816.96/x
  3. Step 3: Cross multiply
    12,096.92x = 18,121.08 × 8,816.96
  4. Step 4: Simplify right side
    12,096.92x = 159,772,837.52
  5. Step 5: Solve for x
    x = 159,772,837.52/12,096.92
  6. Step 6: Final answer
    x = 13,207.73

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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.