Home / 11,673.75-17,513.18-4,278.29

Finding the Fourth Proportional to 11,673.75, 17,513.18 and 4,278.29

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Solution

The fourth proportional to 11,673.75, 17,513.18 and 4,278.29 is: 6,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.75 : 17,513.18 = 4,278.29 : x
  2. Step 2: Convert to fraction form
    11,673.75/17,513.18 = 4,278.29/x
  3. Step 3: Cross multiply
    11,673.75x = 17,513.18 × 4,278.29
  4. Step 4: Simplify right side
    11,673.75x = 74,926,369.95
  5. Step 5: Solve for x
    x = 74,926,369.95/11,673.75
  6. Step 6: Final answer
    x = 6,418.36

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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.