Home / 11,276.39-16,900.41-5,731.13

Finding the Fourth Proportional to 11,276.39, 16,900.41 and 5,731.13

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Solution

The fourth proportional to 11,276.39, 16,900.41 and 5,731.13 is: 8,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.39 : 16,900.41 = 5,731.13 : x
  2. Step 2: Convert to fraction form
    11,276.39/16,900.41 = 5,731.13/x
  3. Step 3: Cross multiply
    11,276.39x = 16,900.41 × 5,731.13
  4. Step 4: Simplify right side
    11,276.39x = 96,858,446.76
  5. Step 5: Solve for x
    x = 96,858,446.76/11,276.39
  6. Step 6: Final answer
    x = 8,589.49

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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.