Home / 8,354.26-12,532.56-3,424.60

Finding the Fourth Proportional to 8,354.26, 12,532.56 and 3,424.60

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Solution

The fourth proportional to 8,354.26, 12,532.56 and 3,424.60 is: 5,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.26 : 12,532.56 = 3,424.60 : x
  2. Step 2: Convert to fraction form
    8,354.26/12,532.56 = 3,424.60/x
  3. Step 3: Cross multiply
    8,354.26x = 12,532.56 × 3,424.60
  4. Step 4: Simplify right side
    8,354.26x = 42,919,004.98
  5. Step 5: Solve for x
    x = 42,919,004.98/8,354.26
  6. Step 6: Final answer
    x = 5,137.38

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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.