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Finding the Fourth Proportional to 11,873.03, 16,384.80 and 6,568.21

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Solution

The fourth proportional to 11,873.03, 16,384.80 and 6,568.21 is: 9,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.03 : 16,384.80 = 6,568.21 : x
  2. Step 2: Convert to fraction form
    11,873.03/16,384.80 = 6,568.21/x
  3. Step 3: Cross multiply
    11,873.03x = 16,384.80 × 6,568.21
  4. Step 4: Simplify right side
    11,873.03x = 107,618,766.25
  5. Step 5: Solve for x
    x = 107,618,766.25/11,873.03
  6. Step 6: Final answer
    x = 9,064.13

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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.