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Finding the Fourth Proportional to 11,843.46, 17,775.42 and 4,827.35

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Solution

The fourth proportional to 11,843.46, 17,775.42 and 4,827.35 is: 7,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.46 : 17,775.42 = 4,827.35 : x
  2. Step 2: Convert to fraction form
    11,843.46/17,775.42 = 4,827.35/x
  3. Step 3: Cross multiply
    11,843.46x = 17,775.42 × 4,827.35
  4. Step 4: Simplify right side
    11,843.46x = 85,808,084.86
  5. Step 5: Solve for x
    x = 85,808,084.86/11,843.46
  6. Step 6: Final answer
    x = 7,245.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.