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Finding the Fourth Proportional to 12,508.26, 17,261.18 and 6,919.26

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Solution

The fourth proportional to 12,508.26, 17,261.18 and 6,919.26 is: 9,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.26 : 17,261.18 = 6,919.26 : x
  2. Step 2: Convert to fraction form
    12,508.26/17,261.18 = 6,919.26/x
  3. Step 3: Cross multiply
    12,508.26x = 17,261.18 × 6,919.26
  4. Step 4: Simplify right side
    12,508.26x = 119,434,592.33
  5. Step 5: Solve for x
    x = 119,434,592.33/12,508.26
  6. Step 6: Final answer
    x = 9,548.46

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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.