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Finding the Fourth Proportional to 12,336.51, 17,024.13 and 6,747.51

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Solution

The fourth proportional to 12,336.51, 17,024.13 and 6,747.51 is: 9,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.51 : 17,024.13 = 6,747.51 : x
  2. Step 2: Convert to fraction form
    12,336.51/17,024.13 = 6,747.51/x
  3. Step 3: Cross multiply
    12,336.51x = 17,024.13 × 6,747.51
  4. Step 4: Simplify right side
    12,336.51x = 114,870,487.42
  5. Step 5: Solve for x
    x = 114,870,487.42/12,336.51
  6. Step 6: Final answer
    x = 9,311.42

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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.