Home / 10,413.58-15,620.40-3,836.92

Finding the Fourth Proportional to 10,413.58, 15,620.40 and 3,836.92

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Solution

The fourth proportional to 10,413.58, 15,620.40 and 3,836.92 is: 5,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.58 : 15,620.40 = 3,836.92 : x
  2. Step 2: Convert to fraction form
    10,413.58/15,620.40 = 3,836.92/x
  3. Step 3: Cross multiply
    10,413.58x = 15,620.40 × 3,836.92
  4. Step 4: Simplify right side
    10,413.58x = 59,934,225.17
  5. Step 5: Solve for x
    x = 59,934,225.17/10,413.58
  6. Step 6: Final answer
    x = 5,755.39

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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.