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Finding the Fourth Proportional to 11,210.93, 16,835.13 and 7,003.97

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Solution

The fourth proportional to 11,210.93, 16,835.13 and 7,003.97 is: 10,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.93 : 16,835.13 = 7,003.97 : x
  2. Step 2: Convert to fraction form
    11,210.93/16,835.13 = 7,003.97/x
  3. Step 3: Cross multiply
    11,210.93x = 16,835.13 × 7,003.97
  4. Step 4: Simplify right side
    11,210.93x = 117,912,745.47
  5. Step 5: Solve for x
    x = 117,912,745.47/11,210.93
  6. Step 6: Final answer
    x = 10,517.66

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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.