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Finding the Fourth Proportional to 9,313.27, 13,979.09 and 6,841.15

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Solution

The fourth proportional to 9,313.27, 13,979.09 and 6,841.15 is: 10,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.27 : 13,979.09 = 6,841.15 : x
  2. Step 2: Convert to fraction form
    9,313.27/13,979.09 = 6,841.15/x
  3. Step 3: Cross multiply
    9,313.27x = 13,979.09 × 6,841.15
  4. Step 4: Simplify right side
    9,313.27x = 95,633,051.55
  5. Step 5: Solve for x
    x = 95,633,051.55/9,313.27
  6. Step 6: Final answer
    x = 10,268.47

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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.