Home / 8,516.48-12,761.70-3,583.41

Finding the Fourth Proportional to 8,516.48, 12,761.70 and 3,583.41

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Solution

The fourth proportional to 8,516.48, 12,761.70 and 3,583.41 is: 5,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.48 : 12,761.70 = 3,583.41 : x
  2. Step 2: Convert to fraction form
    8,516.48/12,761.70 = 3,583.41/x
  3. Step 3: Cross multiply
    8,516.48x = 12,761.70 × 3,583.41
  4. Step 4: Simplify right side
    8,516.48x = 45,730,403.40
  5. Step 5: Solve for x
    x = 45,730,403.40/8,516.48
  6. Step 6: Final answer
    x = 5,369.64

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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.