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Finding the Fourth Proportional to 8,119.41, 11,204.81 and 4,393.41

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Solution

The fourth proportional to 8,119.41, 11,204.81 and 4,393.41 is: 6,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.41 : 11,204.81 = 4,393.41 : x
  2. Step 2: Convert to fraction form
    8,119.41/11,204.81 = 4,393.41/x
  3. Step 3: Cross multiply
    8,119.41x = 11,204.81 × 4,393.41
  4. Step 4: Simplify right side
    8,119.41x = 49,227,301.51
  5. Step 5: Solve for x
    x = 49,227,301.51/8,119.41
  6. Step 6: Final answer
    x = 6,062.92

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Half 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.