Home / 10,982.90-16,474.35-4,413.80

Finding the Fourth Proportional to 10,982.90, 16,474.35 and 4,413.80

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Solution

The fourth proportional to 10,982.90, 16,474.35 and 4,413.80 is: 6,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.90 : 16,474.35 = 4,413.80 : x
  2. Step 2: Convert to fraction form
    10,982.90/16,474.35 = 4,413.80/x
  3. Step 3: Cross multiply
    10,982.90x = 16,474.35 × 4,413.80
  4. Step 4: Simplify right side
    10,982.90x = 72,714,486.03
  5. Step 5: Solve for x
    x = 72,714,486.03/10,982.90
  6. Step 6: Final answer
    x = 6,620.70

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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.