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Finding the Fourth Proportional to 11,457.66, 17,183.74 and 8,373.99

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Solution

The fourth proportional to 11,457.66, 17,183.74 and 8,373.99 is: 12,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.66 : 17,183.74 = 8,373.99 : x
  2. Step 2: Convert to fraction form
    11,457.66/17,183.74 = 8,373.99/x
  3. Step 3: Cross multiply
    11,457.66x = 17,183.74 × 8,373.99
  4. Step 4: Simplify right side
    11,457.66x = 143,896,466.92
  5. Step 5: Solve for x
    x = 143,896,466.92/11,457.66
  6. Step 6: Final answer
    x = 12,558.98

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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.