Home / 7,609.11-11,413.63-2,678.19

Finding the Fourth Proportional to 7,609.11, 11,413.63 and 2,678.19

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Solution

The fourth proportional to 7,609.11, 11,413.63 and 2,678.19 is: 4,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.11 : 11,413.63 = 2,678.19 : x
  2. Step 2: Convert to fraction form
    7,609.11/11,413.63 = 2,678.19/x
  3. Step 3: Cross multiply
    7,609.11x = 11,413.63 × 2,678.19
  4. Step 4: Simplify right side
    7,609.11x = 30,567,869.73
  5. Step 5: Solve for x
    x = 30,567,869.73/7,609.11
  6. Step 6: Final answer
    x = 4,017.27

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1.5x scale

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.