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Finding the Fourth Proportional to 11,299.64, 16,962.06 and 6,625.16

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Solution

The fourth proportional to 11,299.64, 16,962.06 and 6,625.16 is: 9,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.64 : 16,962.06 = 6,625.16 : x
  2. Step 2: Convert to fraction form
    11,299.64/16,962.06 = 6,625.16/x
  3. Step 3: Cross multiply
    11,299.64x = 16,962.06 × 6,625.16
  4. Step 4: Simplify right side
    11,299.64x = 112,376,361.43
  5. Step 5: Solve for x
    x = 112,376,361.43/11,299.64
  6. Step 6: Final answer
    x = 9,945.13

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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.