Home / 8,269.26-11,406.47-5,436.96

Finding the Fourth Proportional to 8,269.26, 11,406.47 and 5,436.96

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Solution

The fourth proportional to 8,269.26, 11,406.47 and 5,436.96 is: 7,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.26 : 11,406.47 = 5,436.96 : x
  2. Step 2: Convert to fraction form
    8,269.26/11,406.47 = 5,436.96/x
  3. Step 3: Cross multiply
    8,269.26x = 11,406.47 × 5,436.96
  4. Step 4: Simplify right side
    8,269.26x = 62,016,493.95
  5. Step 5: Solve for x
    x = 62,016,493.95/8,269.26
  6. Step 6: Final answer
    x = 7,499.64

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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.