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Finding the Fourth Proportional to 11,187.51, 16,766.91 and 9,452.94

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Solution

The fourth proportional to 11,187.51, 16,766.91 and 9,452.94 is: 14,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.51 : 16,766.91 = 9,452.94 : x
  2. Step 2: Convert to fraction form
    11,187.51/16,766.91 = 9,452.94/x
  3. Step 3: Cross multiply
    11,187.51x = 16,766.91 × 9,452.94
  4. Step 4: Simplify right side
    11,187.51x = 158,496,594.22
  5. Step 5: Solve for x
    x = 158,496,594.22/11,187.51
  6. Step 6: Final answer
    x = 14,167.28

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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.