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Finding the Fourth Proportional to 10,383.54, 14,343.75 and 9,264.12

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Solution

The fourth proportional to 10,383.54, 14,343.75 and 9,264.12 is: 12,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.54 : 14,343.75 = 9,264.12 : x
  2. Step 2: Convert to fraction form
    10,383.54/14,343.75 = 9,264.12/x
  3. Step 3: Cross multiply
    10,383.54x = 14,343.75 × 9,264.12
  4. Step 4: Simplify right side
    10,383.54x = 132,882,221.25
  5. Step 5: Solve for x
    x = 132,882,221.25/10,383.54
  6. Step 6: Final answer
    x = 12,797.39

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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.