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Finding the Fourth Proportional to 11,166.16, 16,748.06 and 5,617.24

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Solution

The fourth proportional to 11,166.16, 16,748.06 and 5,617.24 is: 8,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.16 : 16,748.06 = 5,617.24 : x
  2. Step 2: Convert to fraction form
    11,166.16/16,748.06 = 5,617.24/x
  3. Step 3: Cross multiply
    11,166.16x = 16,748.06 × 5,617.24
  4. Step 4: Simplify right side
    11,166.16x = 94,077,872.55
  5. Step 5: Solve for x
    x = 94,077,872.55/11,166.16
  6. Step 6: Final answer
    x = 8,425.27

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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.