Home / 9,517.29-13,133.44-5,268.09

Finding the Fourth Proportional to 9,517.29, 13,133.44 and 5,268.09

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Solution

The fourth proportional to 9,517.29, 13,133.44 and 5,268.09 is: 7,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.29 : 13,133.44 = 5,268.09 : x
  2. Step 2: Convert to fraction form
    9,517.29/13,133.44 = 5,268.09/x
  3. Step 3: Cross multiply
    9,517.29x = 13,133.44 × 5,268.09
  4. Step 4: Simplify right side
    9,517.29x = 69,188,199.77
  5. Step 5: Solve for x
    x = 69,188,199.77/9,517.29
  6. Step 6: Final answer
    x = 7,269.74

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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.