Home / 12,413.61-18,620.36-5,017.98

Finding the Fourth Proportional to 12,413.61, 18,620.36 and 5,017.98

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Solution

The fourth proportional to 12,413.61, 18,620.36 and 5,017.98 is: 7,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.61 : 18,620.36 = 5,017.98 : x
  2. Step 2: Convert to fraction form
    12,413.61/18,620.36 = 5,017.98/x
  3. Step 3: Cross multiply
    12,413.61x = 18,620.36 × 5,017.98
  4. Step 4: Simplify right side
    12,413.61x = 93,436,594.07
  5. Step 5: Solve for x
    x = 93,436,594.07/12,413.61
  6. Step 6: Final answer
    x = 7,526.95

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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.