Home / 11,257.29-16,889.58-5,413.14

Finding the Fourth Proportional to 11,257.29, 16,889.58 and 5,413.14

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Solution

The fourth proportional to 11,257.29, 16,889.58 and 5,413.14 is: 8,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.29 : 16,889.58 = 5,413.14 : x
  2. Step 2: Convert to fraction form
    11,257.29/16,889.58 = 5,413.14/x
  3. Step 3: Cross multiply
    11,257.29x = 16,889.58 × 5,413.14
  4. Step 4: Simplify right side
    11,257.29x = 91,425,661.08
  5. Step 5: Solve for x
    x = 91,425,661.08/11,257.29
  6. Step 6: Final answer
    x = 8,121.46

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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.