Home / 11,609.28-17,413.92-4,214.16

Finding the Fourth Proportional to 11,609.28, 17,413.92 and 4,214.16

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Solution

The fourth proportional to 11,609.28, 17,413.92 and 4,214.16 is: 6,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.28 : 17,413.92 = 4,214.16 : x
  2. Step 2: Convert to fraction form
    11,609.28/17,413.92 = 4,214.16/x
  3. Step 3: Cross multiply
    11,609.28x = 17,413.92 × 4,214.16
  4. Step 4: Simplify right side
    11,609.28x = 73,385,045.11
  5. Step 5: Solve for x
    x = 73,385,045.11/11,609.28
  6. Step 6: Final answer
    x = 6,321.24

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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.