Home / 13,212.52-18,232.26-7,546.49

Finding the Fourth Proportional to 13,212.52, 18,232.26 and 7,546.49

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Solution

The fourth proportional to 13,212.52, 18,232.26 and 7,546.49 is: 10,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.52 : 18,232.26 = 7,546.49 : x
  2. Step 2: Convert to fraction form
    13,212.52/18,232.26 = 7,546.49/x
  3. Step 3: Cross multiply
    13,212.52x = 18,232.26 × 7,546.49
  4. Step 4: Simplify right side
    13,212.52x = 137,589,567.77
  5. Step 5: Solve for x
    x = 137,589,567.77/13,212.52
  6. Step 6: Final answer
    x = 10,413.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.