Home / 12,413.73-18,602.37-9,279.03

Finding the Fourth Proportional to 12,413.73, 18,602.37 and 9,279.03

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Solution

The fourth proportional to 12,413.73, 18,602.37 and 9,279.03 is: 13,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.73 : 18,602.37 = 9,279.03 : x
  2. Step 2: Convert to fraction form
    12,413.73/18,602.37 = 9,279.03/x
  3. Step 3: Cross multiply
    12,413.73x = 18,602.37 × 9,279.03
  4. Step 4: Simplify right side
    12,413.73x = 172,611,949.30
  5. Step 5: Solve for x
    x = 172,611,949.30/12,413.73
  6. Step 6: Final answer
    x = 13,904.92

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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.