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Finding the Fourth Proportional to 11,205.54, 15,463.00 and 6,168.93

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Solution

The fourth proportional to 11,205.54, 15,463.00 and 6,168.93 is: 8,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.54 : 15,463.00 = 6,168.93 : x
  2. Step 2: Convert to fraction form
    11,205.54/15,463.00 = 6,168.93/x
  3. Step 3: Cross multiply
    11,205.54x = 15,463.00 × 6,168.93
  4. Step 4: Simplify right side
    11,205.54x = 95,390,114.31
  5. Step 5: Solve for x
    x = 95,390,114.31/11,205.54
  6. Step 6: Final answer
    x = 8,512.76

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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.