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Finding the Fourth Proportional to 11,883.68, 17,776.28 and 10,801.12

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Solution

The fourth proportional to 11,883.68, 17,776.28 and 10,801.12 is: 16,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.68 : 17,776.28 = 10,801.12 : x
  2. Step 2: Convert to fraction form
    11,883.68/17,776.28 = 10,801.12/x
  3. Step 3: Cross multiply
    11,883.68x = 17,776.28 × 10,801.12
  4. Step 4: Simplify right side
    11,883.68x = 192,003,733.43
  5. Step 5: Solve for x
    x = 192,003,733.43/11,883.68
  6. Step 6: Final answer
    x = 16,156.93

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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.