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Finding the Fourth Proportional to 12,110.16, 18,166.92 and 11,893.08

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Solution

The fourth proportional to 12,110.16, 18,166.92 and 11,893.08 is: 17,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.16 : 18,166.92 = 11,893.08 : x
  2. Step 2: Convert to fraction form
    12,110.16/18,166.92 = 11,893.08/x
  3. Step 3: Cross multiply
    12,110.16x = 18,166.92 × 11,893.08
  4. Step 4: Simplify right side
    12,110.16x = 216,060,632.91
  5. Step 5: Solve for x
    x = 216,060,632.91/12,110.16
  6. Step 6: Final answer
    x = 17,841.27

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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.