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Finding the Fourth Proportional to 10,694.10, 16,041.15 and 7,194.90

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Solution

The fourth proportional to 10,694.10, 16,041.15 and 7,194.90 is: 10,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.10 : 16,041.15 = 7,194.90 : x
  2. Step 2: Convert to fraction form
    10,694.10/16,041.15 = 7,194.90/x
  3. Step 3: Cross multiply
    10,694.10x = 16,041.15 × 7,194.90
  4. Step 4: Simplify right side
    10,694.10x = 115,414,470.14
  5. Step 5: Solve for x
    x = 115,414,470.14/10,694.10
  6. Step 6: Final answer
    x = 10,792.35

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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.