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Finding the Fourth Proportional to 12,496.84, 17,240.68 and 8,250.07

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Solution

The fourth proportional to 12,496.84, 17,240.68 and 8,250.07 is: 11,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.84 : 17,240.68 = 8,250.07 : x
  2. Step 2: Convert to fraction form
    12,496.84/17,240.68 = 8,250.07/x
  3. Step 3: Cross multiply
    12,496.84x = 17,240.68 × 8,250.07
  4. Step 4: Simplify right side
    12,496.84x = 142,236,816.85
  5. Step 5: Solve for x
    x = 142,236,816.85/12,496.84
  6. Step 6: Final answer
    x = 11,381.82

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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.