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Finding the Fourth Proportional to 12,360.98, 17,052.25 and 8,110.30

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Solution

The fourth proportional to 12,360.98, 17,052.25 and 8,110.30 is: 11,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.98 : 17,052.25 = 8,110.30 : x
  2. Step 2: Convert to fraction form
    12,360.98/17,052.25 = 8,110.30/x
  3. Step 3: Cross multiply
    12,360.98x = 17,052.25 × 8,110.30
  4. Step 4: Simplify right side
    12,360.98x = 138,298,863.18
  5. Step 5: Solve for x
    x = 138,298,863.18/12,360.98
  6. Step 6: Final answer
    x = 11,188.34

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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.