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Finding the Fourth Proportional to 11,898.63, 16,418.94 and 6,593.31

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Solution

The fourth proportional to 11,898.63, 16,418.94 and 6,593.31 is: 9,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.63 : 16,418.94 = 6,593.31 : x
  2. Step 2: Convert to fraction form
    11,898.63/16,418.94 = 6,593.31/x
  3. Step 3: Cross multiply
    11,898.63x = 16,418.94 × 6,593.31
  4. Step 4: Simplify right side
    11,898.63x = 108,255,161.29
  5. Step 5: Solve for x
    x = 108,255,161.29/11,898.63
  6. Step 6: Final answer
    x = 9,098.12

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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.