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Finding the Fourth Proportional to 11,229.48, 16,847.10 and 4,653.48

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Solution

The fourth proportional to 11,229.48, 16,847.10 and 4,653.48 is: 6,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.48 : 16,847.10 = 4,653.48 : x
  2. Step 2: Convert to fraction form
    11,229.48/16,847.10 = 4,653.48/x
  3. Step 3: Cross multiply
    11,229.48x = 16,847.10 × 4,653.48
  4. Step 4: Simplify right side
    11,229.48x = 78,397,642.91
  5. Step 5: Solve for x
    x = 78,397,642.91/11,229.48
  6. Step 6: Final answer
    x = 6,981.41

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1.5x scale

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.