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Finding the Fourth Proportional to 10,656.54, 14,703.39 and 5,939.64

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Solution

The fourth proportional to 10,656.54, 14,703.39 and 5,939.64 is: 8,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.54 : 14,703.39 = 5,939.64 : x
  2. Step 2: Convert to fraction form
    10,656.54/14,703.39 = 5,939.64/x
  3. Step 3: Cross multiply
    10,656.54x = 14,703.39 × 5,939.64
  4. Step 4: Simplify right side
    10,656.54x = 87,332,843.38
  5. Step 5: Solve for x
    x = 87,332,843.38/10,656.54
  6. Step 6: Final answer
    x = 8,195.23

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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.