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Finding the Fourth Proportional to 11,364.84, 17,015.76 and 8,583.12

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Solution

The fourth proportional to 11,364.84, 17,015.76 and 8,583.12 is: 12,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.84 : 17,015.76 = 8,583.12 : x
  2. Step 2: Convert to fraction form
    11,364.84/17,015.76 = 8,583.12/x
  3. Step 3: Cross multiply
    11,364.84x = 17,015.76 × 8,583.12
  4. Step 4: Simplify right side
    11,364.84x = 146,048,309.97
  5. Step 5: Solve for x
    x = 146,048,309.97/11,364.84
  6. Step 6: Final answer
    x = 12,850.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.