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Finding the Fourth Proportional to 12,039.35, 16,614.75 and 6,734.15

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Solution

The fourth proportional to 12,039.35, 16,614.75 and 6,734.15 is: 9,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.35 : 16,614.75 = 6,734.15 : x
  2. Step 2: Convert to fraction form
    12,039.35/16,614.75 = 6,734.15/x
  3. Step 3: Cross multiply
    12,039.35x = 16,614.75 × 6,734.15
  4. Step 4: Simplify right side
    12,039.35x = 111,886,135.64
  5. Step 5: Solve for x
    x = 111,886,135.64/12,039.35
  6. Step 6: Final answer
    x = 9,293.37

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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.