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Finding the Fourth Proportional to 11,168.91, 16,746.03 and 6,239.07

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Solution

The fourth proportional to 11,168.91, 16,746.03 and 6,239.07 is: 9,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.91 : 16,746.03 = 6,239.07 : x
  2. Step 2: Convert to fraction form
    11,168.91/16,746.03 = 6,239.07/x
  3. Step 3: Cross multiply
    11,168.91x = 16,746.03 × 6,239.07
  4. Step 4: Simplify right side
    11,168.91x = 104,479,653.39
  5. Step 5: Solve for x
    x = 104,479,653.39/11,168.91
  6. Step 6: Final answer
    x = 9,354.51

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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.