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Finding the Fourth Proportional to 11,859.64, 17,792.03 and 6,312.17

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Solution

The fourth proportional to 11,859.64, 17,792.03 and 6,312.17 is: 9,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.64 : 17,792.03 = 6,312.17 : x
  2. Step 2: Convert to fraction form
    11,859.64/17,792.03 = 6,312.17/x
  3. Step 3: Cross multiply
    11,859.64x = 17,792.03 × 6,312.17
  4. Step 4: Simplify right side
    11,859.64x = 112,306,318.01
  5. Step 5: Solve for x
    x = 112,306,318.01/11,859.64
  6. Step 6: Final answer
    x = 9,469.62

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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.