Home / 10,704.20-16,063.50-4,861.40

Finding the Fourth Proportional to 10,704.20, 16,063.50 and 4,861.40

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Solution

The fourth proportional to 10,704.20, 16,063.50 and 4,861.40 is: 7,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.20 : 16,063.50 = 4,861.40 : x
  2. Step 2: Convert to fraction form
    10,704.20/16,063.50 = 4,861.40/x
  3. Step 3: Cross multiply
    10,704.20x = 16,063.50 × 4,861.40
  4. Step 4: Simplify right side
    10,704.20x = 78,091,098.90
  5. Step 5: Solve for x
    x = 78,091,098.90/10,704.20
  6. Step 6: Final answer
    x = 7,295.37

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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.