Home / 11,845.68-16,336.56-8,074.95

Finding the Fourth Proportional to 11,845.68, 16,336.56 and 8,074.95

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Solution

The fourth proportional to 11,845.68, 16,336.56 and 8,074.95 is: 11,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.68 : 16,336.56 = 8,074.95 : x
  2. Step 2: Convert to fraction form
    11,845.68/16,336.56 = 8,074.95/x
  3. Step 3: Cross multiply
    11,845.68x = 16,336.56 × 8,074.95
  4. Step 4: Simplify right side
    11,845.68x = 131,916,905.17
  5. Step 5: Solve for x
    x = 131,916,905.17/11,845.68
  6. Step 6: Final answer
    x = 11,136.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.