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Finding the Fourth Proportional to 11,873.86, 16,393.39 and 7,626.63

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Solution

The fourth proportional to 11,873.86, 16,393.39 and 7,626.63 is: 10,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.86 : 16,393.39 = 7,626.63 : x
  2. Step 2: Convert to fraction form
    11,873.86/16,393.39 = 7,626.63/x
  3. Step 3: Cross multiply
    11,873.86x = 16,393.39 × 7,626.63
  4. Step 4: Simplify right side
    11,873.86x = 125,026,316.28
  5. Step 5: Solve for x
    x = 125,026,316.28/11,873.86
  6. Step 6: Final answer
    x = 10,529.54

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Half scale
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Double scale
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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.