Home / 11,446.13-17,167.23-3,440.78

Finding the Fourth Proportional to 11,446.13, 17,167.23 and 3,440.78

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Solution

The fourth proportional to 11,446.13, 17,167.23 and 3,440.78 is: 5,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.13 : 17,167.23 = 3,440.78 : x
  2. Step 2: Convert to fraction form
    11,446.13/17,167.23 = 3,440.78/x
  3. Step 3: Cross multiply
    11,446.13x = 17,167.23 × 3,440.78
  4. Step 4: Simplify right side
    11,446.13x = 59,068,640.18
  5. Step 5: Solve for x
    x = 59,068,640.18/11,446.13
  6. Step 6: Final answer
    x = 5,160.58

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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.