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Finding the Fourth Proportional to 10,891.74, 16,337.16 and 3,496.62

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Solution

The fourth proportional to 10,891.74, 16,337.16 and 3,496.62 is: 5,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.74 : 16,337.16 = 3,496.62 : x
  2. Step 2: Convert to fraction form
    10,891.74/16,337.16 = 3,496.62/x
  3. Step 3: Cross multiply
    10,891.74x = 16,337.16 × 3,496.62
  4. Step 4: Simplify right side
    10,891.74x = 57,124,840.40
  5. Step 5: Solve for x
    x = 57,124,840.40/10,891.74
  6. Step 6: Final answer
    x = 5,244.79

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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.