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Finding the Fourth Proportional to 9,811.13, 13,520.52 and 6,268.19

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Solution

The fourth proportional to 9,811.13, 13,520.52 and 6,268.19 is: 8,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.13 : 13,520.52 = 6,268.19 : x
  2. Step 2: Convert to fraction form
    9,811.13/13,520.52 = 6,268.19/x
  3. Step 3: Cross multiply
    9,811.13x = 13,520.52 × 6,268.19
  4. Step 4: Simplify right side
    9,811.13x = 84,749,120.66
  5. Step 5: Solve for x
    x = 84,749,120.66/9,811.13
  6. Step 6: Final answer
    x = 8,638.06

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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.