Home / 8,268.47-11,406.12-5,238.25

Finding the Fourth Proportional to 8,268.47, 11,406.12 and 5,238.25

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Solution

The fourth proportional to 8,268.47, 11,406.12 and 5,238.25 is: 7,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.47 : 11,406.12 = 5,238.25 : x
  2. Step 2: Convert to fraction form
    8,268.47/11,406.12 = 5,238.25/x
  3. Step 3: Cross multiply
    8,268.47x = 11,406.12 × 5,238.25
  4. Step 4: Simplify right side
    8,268.47x = 59,748,108.09
  5. Step 5: Solve for x
    x = 59,748,108.09/8,268.47
  6. Step 6: Final answer
    x = 7,226.02

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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.