Home / 11,522.92-15,906.90-7,336.84

Finding the Fourth Proportional to 11,522.92, 15,906.90 and 7,336.84

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Solution

The fourth proportional to 11,522.92, 15,906.90 and 7,336.84 is: 10,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.92 : 15,906.90 = 7,336.84 : x
  2. Step 2: Convert to fraction form
    11,522.92/15,906.90 = 7,336.84/x
  3. Step 3: Cross multiply
    11,522.92x = 15,906.90 × 7,336.84
  4. Step 4: Simplify right side
    11,522.92x = 116,706,380.20
  5. Step 5: Solve for x
    x = 116,706,380.20/11,522.92
  6. Step 6: Final answer
    x = 10,128.19

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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.