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Finding the Fourth Proportional to 11,553.00, 15,943.10 and 6,247.81

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Solution

The fourth proportional to 11,553.00, 15,943.10 and 6,247.81 is: 8,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.00 : 15,943.10 = 6,247.81 : x
  2. Step 2: Convert to fraction form
    11,553.00/15,943.10 = 6,247.81/x
  3. Step 3: Cross multiply
    11,553.00x = 15,943.10 × 6,247.81
  4. Step 4: Simplify right side
    11,553.00x = 99,609,456.18
  5. Step 5: Solve for x
    x = 99,609,456.18/11,553.00
  6. Step 6: Final answer
    x = 8,621.95

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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.