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Finding the Fourth Proportional to 11,907.13, 17,864.69 and 8,352.95

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Solution

The fourth proportional to 11,907.13, 17,864.69 and 8,352.95 is: 12,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.13 : 17,864.69 = 8,352.95 : x
  2. Step 2: Convert to fraction form
    11,907.13/17,864.69 = 8,352.95/x
  3. Step 3: Cross multiply
    11,907.13x = 17,864.69 × 8,352.95
  4. Step 4: Simplify right side
    11,907.13x = 149,222,769.24
  5. Step 5: Solve for x
    x = 149,222,769.24/11,907.13
  6. Step 6: Final answer
    x = 12,532.22

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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.