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Finding the Fourth Proportional to 9,173, 12,626.02 and 8,213.14

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Solution

The fourth proportional to 9,173, 12,626.02 and 8,213.14 is: 11,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173 : 12,626.02 = 8,213.14 : x
  2. Step 2: Convert to fraction form
    9,173/12,626.02 = 8,213.14/x
  3. Step 3: Cross multiply
    9,173x = 12,626.02 × 8,213.14
  4. Step 4: Simplify right side
    9,173x = 103,699,269.90
  5. Step 5: Solve for x
    x = 103,699,269.90/9,173
  6. Step 6: Final answer
    x = 11,304.84

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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.