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Finding the Fourth Proportional to 11,165.74, 16,716.03 and 8,366.98

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Solution

The fourth proportional to 11,165.74, 16,716.03 and 8,366.98 is: 12,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.74 : 16,716.03 = 8,366.98 : x
  2. Step 2: Convert to fraction form
    11,165.74/16,716.03 = 8,366.98/x
  3. Step 3: Cross multiply
    11,165.74x = 16,716.03 × 8,366.98
  4. Step 4: Simplify right side
    11,165.74x = 139,862,688.69
  5. Step 5: Solve for x
    x = 139,862,688.69/11,165.74
  6. Step 6: Final answer
    x = 12,526.06

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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.