Home / 10,745.40-16,118.10-2,954.22

Finding the Fourth Proportional to 10,745.40, 16,118.10 and 2,954.22

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Solution

The fourth proportional to 10,745.40, 16,118.10 and 2,954.22 is: 4,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.40 : 16,118.10 = 2,954.22 : x
  2. Step 2: Convert to fraction form
    10,745.40/16,118.10 = 2,954.22/x
  3. Step 3: Cross multiply
    10,745.40x = 16,118.10 × 2,954.22
  4. Step 4: Simplify right side
    10,745.40x = 47,616,413.38
  5. Step 5: Solve for x
    x = 47,616,413.38/10,745.40
  6. Step 6: Final answer
    x = 4,431.33

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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.