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Finding the Fourth Proportional to 11,553.53, 15,950.00 and 8,895.11

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Solution

The fourth proportional to 11,553.53, 15,950.00 and 8,895.11 is: 12,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.53 : 15,950.00 = 8,895.11 : x
  2. Step 2: Convert to fraction form
    11,553.53/15,950.00 = 8,895.11/x
  3. Step 3: Cross multiply
    11,553.53x = 15,950.00 × 8,895.11
  4. Step 4: Simplify right side
    11,553.53x = 141,876,960.02
  5. Step 5: Solve for x
    x = 141,876,960.02/11,553.53
  6. Step 6: Final answer
    x = 12,279.97

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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.