Home / 12,192.49-16,825.62-7,413.99

Finding the Fourth Proportional to 12,192.49, 16,825.62 and 7,413.99

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Solution

The fourth proportional to 12,192.49, 16,825.62 and 7,413.99 is: 10,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.49 : 16,825.62 = 7,413.99 : x
  2. Step 2: Convert to fraction form
    12,192.49/16,825.62 = 7,413.99/x
  3. Step 3: Cross multiply
    12,192.49x = 16,825.62 × 7,413.99
  4. Step 4: Simplify right side
    12,192.49x = 124,744,978.42
  5. Step 5: Solve for x
    x = 124,744,978.42/12,192.49
  6. Step 6: Final answer
    x = 10,231.30

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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.