Home / 7,645.72-11,453.64-5,268.19

Finding the Fourth Proportional to 7,645.72, 11,453.64 and 5,268.19

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Solution

The fourth proportional to 7,645.72, 11,453.64 and 5,268.19 is: 7,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.72 : 11,453.64 = 5,268.19 : x
  2. Step 2: Convert to fraction form
    7,645.72/11,453.64 = 5,268.19/x
  3. Step 3: Cross multiply
    7,645.72x = 11,453.64 × 5,268.19
  4. Step 4: Simplify right side
    7,645.72x = 60,339,923.08
  5. Step 5: Solve for x
    x = 60,339,923.08/7,645.72
  6. Step 6: Final answer
    x = 7,891.98

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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.