Home / 11,513.68-17,268.02-4,118.65

Finding the Fourth Proportional to 11,513.68, 17,268.02 and 4,118.65

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Solution

The fourth proportional to 11,513.68, 17,268.02 and 4,118.65 is: 6,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.68 : 17,268.02 = 4,118.65 : x
  2. Step 2: Convert to fraction form
    11,513.68/17,268.02 = 4,118.65/x
  3. Step 3: Cross multiply
    11,513.68x = 17,268.02 × 4,118.65
  4. Step 4: Simplify right side
    11,513.68x = 71,120,823.64
  5. Step 5: Solve for x
    x = 71,120,823.64/11,513.68
  6. Step 6: Final answer
    x = 6,177.07

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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.