Home / 7,413.10-11,110.20-3,025.60

Finding the Fourth Proportional to 7,413.10, 11,110.20 and 3,025.60

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Solution

The fourth proportional to 7,413.10, 11,110.20 and 3,025.60 is: 4,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.10 : 11,110.20 = 3,025.60 : x
  2. Step 2: Convert to fraction form
    7,413.10/11,110.20 = 3,025.60/x
  3. Step 3: Cross multiply
    7,413.10x = 11,110.20 × 3,025.60
  4. Step 4: Simplify right side
    7,413.10x = 33,615,021.12
  5. Step 5: Solve for x
    x = 33,615,021.12/7,413.10
  6. Step 6: Final answer
    x = 4,534.54

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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.