Home / 10,682.57-16,025.67-4,761.60

Finding the Fourth Proportional to 10,682.57, 16,025.67 and 4,761.60

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Solution

The fourth proportional to 10,682.57, 16,025.67 and 4,761.60 is: 7,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,682.57 : 16,025.67 = 4,761.60 : x
  2. Step 2: Convert to fraction form
    10,682.57/16,025.67 = 4,761.60/x
  3. Step 3: Cross multiply
    10,682.57x = 16,025.67 × 4,761.60
  4. Step 4: Simplify right side
    10,682.57x = 76,307,830.27
  5. Step 5: Solve for x
    x = 76,307,830.27/10,682.57
  6. Step 6: Final answer
    x = 7,143.21

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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.