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Finding the Fourth Proportional to 6,967, 9,611.16 and 6,171.10

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Solution

The fourth proportional to 6,967, 9,611.16 and 6,171.10 is: 8,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967 : 9,611.16 = 6,171.10 : x
  2. Step 2: Convert to fraction form
    6,967/9,611.16 = 6,171.10/x
  3. Step 3: Cross multiply
    6,967x = 9,611.16 × 6,171.10
  4. Step 4: Simplify right side
    6,967x = 59,311,429.48
  5. Step 5: Solve for x
    x = 59,311,429.48/6,967
  6. Step 6: Final answer
    x = 8,513.19

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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.