Home / 12,250.44-16,915.14-9,413.31

Finding the Fourth Proportional to 12,250.44, 16,915.14 and 9,413.31

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Solution

The fourth proportional to 12,250.44, 16,915.14 and 9,413.31 is: 12,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.44 : 16,915.14 = 9,413.31 : x
  2. Step 2: Convert to fraction form
    12,250.44/16,915.14 = 9,413.31/x
  3. Step 3: Cross multiply
    12,250.44x = 16,915.14 × 9,413.31
  4. Step 4: Simplify right side
    12,250.44x = 159,227,456.51
  5. Step 5: Solve for x
    x = 159,227,456.51/12,250.44
  6. Step 6: Final answer
    x = 12,997.69

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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.