Home / 7,413.62-11,120.43-4,492.76

Finding the Fourth Proportional to 7,413.62, 11,120.43 and 4,492.76

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Solution

The fourth proportional to 7,413.62, 11,120.43 and 4,492.76 is: 6,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.62 : 11,120.43 = 4,492.76 : x
  2. Step 2: Convert to fraction form
    7,413.62/11,120.43 = 4,492.76/x
  3. Step 3: Cross multiply
    7,413.62x = 11,120.43 × 4,492.76
  4. Step 4: Simplify right side
    7,413.62x = 49,961,423.09
  5. Step 5: Solve for x
    x = 49,961,423.09/7,413.62
  6. Step 6: Final answer
    x = 6,739.14

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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.