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Finding the Fourth Proportional to 11,295.29, 15,583.43 and 6,327.29

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Solution

The fourth proportional to 11,295.29, 15,583.43 and 6,327.29 is: 8,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.29 : 15,583.43 = 6,327.29 : x
  2. Step 2: Convert to fraction form
    11,295.29/15,583.43 = 6,327.29/x
  3. Step 3: Cross multiply
    11,295.29x = 15,583.43 × 6,327.29
  4. Step 4: Simplify right side
    11,295.29x = 98,600,771.25
  5. Step 5: Solve for x
    x = 98,600,771.25/11,295.29
  6. Step 6: Final answer
    x = 8,729.37

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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.