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Finding the Fourth Proportional to 8,059.81, 11,119.53 and 6,169.45

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Solution

The fourth proportional to 8,059.81, 11,119.53 and 6,169.45 is: 8,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.81 : 11,119.53 = 6,169.45 : x
  2. Step 2: Convert to fraction form
    8,059.81/11,119.53 = 6,169.45/x
  3. Step 3: Cross multiply
    8,059.81x = 11,119.53 × 6,169.45
  4. Step 4: Simplify right side
    8,059.81x = 68,601,384.36
  5. Step 5: Solve for x
    x = 68,601,384.36/8,059.81
  6. Step 6: Final answer
    x = 8,511.54

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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.