Home / 11,911.05-17,874.79-5,344.58

Finding the Fourth Proportional to 11,911.05, 17,874.79 and 5,344.58

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Solution

The fourth proportional to 11,911.05, 17,874.79 and 5,344.58 is: 8,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.05 : 17,874.79 = 5,344.58 : x
  2. Step 2: Convert to fraction form
    11,911.05/17,874.79 = 5,344.58/x
  3. Step 3: Cross multiply
    11,911.05x = 17,874.79 × 5,344.58
  4. Step 4: Simplify right side
    11,911.05x = 95,533,276.46
  5. Step 5: Solve for x
    x = 95,533,276.46/11,911.05
  6. Step 6: Final answer
    x = 8,020.56

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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.