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Finding the Fourth Proportional to 8,493.09, 11,722.86 and 5,975.79

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Solution

The fourth proportional to 8,493.09, 11,722.86 and 5,975.79 is: 8,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.09 : 11,722.86 = 5,975.79 : x
  2. Step 2: Convert to fraction form
    8,493.09/11,722.86 = 5,975.79/x
  3. Step 3: Cross multiply
    8,493.09x = 11,722.86 × 5,975.79
  4. Step 4: Simplify right side
    8,493.09x = 70,053,349.56
  5. Step 5: Solve for x
    x = 70,053,349.56/8,493.09
  6. Step 6: Final answer
    x = 8,248.28

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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.