Home / 8,356.44-12,532.61-3,427.49

Finding the Fourth Proportional to 8,356.44, 12,532.61 and 3,427.49

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Solution

The fourth proportional to 8,356.44, 12,532.61 and 3,427.49 is: 5,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.44 : 12,532.61 = 3,427.49 : x
  2. Step 2: Convert to fraction form
    8,356.44/12,532.61 = 3,427.49/x
  3. Step 3: Cross multiply
    8,356.44x = 12,532.61 × 3,427.49
  4. Step 4: Simplify right side
    8,356.44x = 42,955,411.85
  5. Step 5: Solve for x
    x = 42,955,411.85/8,356.44
  6. Step 6: Final answer
    x = 5,140.39

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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.