Home / 11,268.48-16,895.04-5,422.08

Finding the Fourth Proportional to 11,268.48, 16,895.04 and 5,422.08

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Solution

The fourth proportional to 11,268.48, 16,895.04 and 5,422.08 is: 8,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.48 : 16,895.04 = 5,422.08 : x
  2. Step 2: Convert to fraction form
    11,268.48/16,895.04 = 5,422.08/x
  3. Step 3: Cross multiply
    11,268.48x = 16,895.04 × 5,422.08
  4. Step 4: Simplify right side
    11,268.48x = 91,606,258.48
  5. Step 5: Solve for x
    x = 91,606,258.48/11,268.48
  6. Step 6: Final answer
    x = 8,129.42

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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.