Home / 12,413.25-18,616.23-3,646.08

Finding the Fourth Proportional to 12,413.25, 18,616.23 and 3,646.08

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Solution

The fourth proportional to 12,413.25, 18,616.23 and 3,646.08 is: 5,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.25 : 18,616.23 = 3,646.08 : x
  2. Step 2: Convert to fraction form
    12,413.25/18,616.23 = 3,646.08/x
  3. Step 3: Cross multiply
    12,413.25x = 18,616.23 × 3,646.08
  4. Step 4: Simplify right side
    12,413.25x = 67,876,263.88
  5. Step 5: Solve for x
    x = 67,876,263.88/12,413.25
  6. Step 6: Final answer
    x = 5,468.05

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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.