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Finding the Fourth Proportional to 10,761.35, 16,141.95 and 6,375.67

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Solution

The fourth proportional to 10,761.35, 16,141.95 and 6,375.67 is: 9,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.35 : 16,141.95 = 6,375.67 : x
  2. Step 2: Convert to fraction form
    10,761.35/16,141.95 = 6,375.67/x
  3. Step 3: Cross multiply
    10,761.35x = 16,141.95 × 6,375.67
  4. Step 4: Simplify right side
    10,761.35x = 102,915,706.00
  5. Step 5: Solve for x
    x = 102,915,706.00/10,761.35
  6. Step 6: Final answer
    x = 9,563.46

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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.