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Finding the Fourth Proportional to 11,867.62, 17,812.19 and 6,325.62

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Solution

The fourth proportional to 11,867.62, 17,812.19 and 6,325.62 is: 9,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.62 : 17,812.19 = 6,325.62 : x
  2. Step 2: Convert to fraction form
    11,867.62/17,812.19 = 6,325.62/x
  3. Step 3: Cross multiply
    11,867.62x = 17,812.19 × 6,325.62
  4. Step 4: Simplify right side
    11,867.62x = 112,673,145.31
  5. Step 5: Solve for x
    x = 112,673,145.31/11,867.62
  6. Step 6: Final answer
    x = 9,494.17

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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.