Home / 10,847.70-16,272.45-3,451.95

Finding the Fourth Proportional to 10,847.70, 16,272.45 and 3,451.95

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Solution

The fourth proportional to 10,847.70, 16,272.45 and 3,451.95 is: 5,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.70 : 16,272.45 = 3,451.95 : x
  2. Step 2: Convert to fraction form
    10,847.70/16,272.45 = 3,451.95/x
  3. Step 3: Cross multiply
    10,847.70x = 16,272.45 × 3,451.95
  4. Step 4: Simplify right side
    10,847.70x = 56,171,683.78
  5. Step 5: Solve for x
    x = 56,171,683.78/10,847.70
  6. Step 6: Final answer
    x = 5,178.21

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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.