Home / 11,520.45-17,276.36-4,943.25

Finding the Fourth Proportional to 11,520.45, 17,276.36 and 4,943.25

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Solution

The fourth proportional to 11,520.45, 17,276.36 and 4,943.25 is: 7,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.45 : 17,276.36 = 4,943.25 : x
  2. Step 2: Convert to fraction form
    11,520.45/17,276.36 = 4,943.25/x
  3. Step 3: Cross multiply
    11,520.45x = 17,276.36 × 4,943.25
  4. Step 4: Simplify right side
    11,520.45x = 85,401,341.85
  5. Step 5: Solve for x
    x = 85,401,341.85/11,520.45
  6. Step 6: Final answer
    x = 7,413.02

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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.