Home / 11,131.19-16,690.53-7,625.15

Finding the Fourth Proportional to 11,131.19, 16,690.53 and 7,625.15

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Solution

The fourth proportional to 11,131.19, 16,690.53 and 7,625.15 is: 11,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.19 : 16,690.53 = 7,625.15 : x
  2. Step 2: Convert to fraction form
    11,131.19/16,690.53 = 7,625.15/x
  3. Step 3: Cross multiply
    11,131.19x = 16,690.53 × 7,625.15
  4. Step 4: Simplify right side
    11,131.19x = 127,267,794.83
  5. Step 5: Solve for x
    x = 127,267,794.83/11,131.19
  6. Step 6: Final answer
    x = 11,433.44

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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.