Home / 11,083.89-15,294.78-6,367.26

Finding the Fourth Proportional to 11,083.89, 15,294.78 and 6,367.26

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Solution

The fourth proportional to 11,083.89, 15,294.78 and 6,367.26 is: 8,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.89 : 15,294.78 = 6,367.26 : x
  2. Step 2: Convert to fraction form
    11,083.89/15,294.78 = 6,367.26/x
  3. Step 3: Cross multiply
    11,083.89x = 15,294.78 × 6,367.26
  4. Step 4: Simplify right side
    11,083.89x = 97,385,840.90
  5. Step 5: Solve for x
    x = 97,385,840.90/11,083.89
  6. Step 6: Final answer
    x = 8,786.25

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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.