Home / 6,530.12-9,792.30-3,609.80

Finding the Fourth Proportional to 6,530.12, 9,792.30 and 3,609.80

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Solution

The fourth proportional to 6,530.12, 9,792.30 and 3,609.80 is: 5,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.12 : 9,792.30 = 3,609.80 : x
  2. Step 2: Convert to fraction form
    6,530.12/9,792.30 = 3,609.80/x
  3. Step 3: Cross multiply
    6,530.12x = 9,792.30 × 3,609.80
  4. Step 4: Simplify right side
    6,530.12x = 35,348,244.54
  5. Step 5: Solve for x
    x = 35,348,244.54/6,530.12
  6. Step 6: Final answer
    x = 5,413.11

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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.