Home / 7,413.12-10,230.48-4,269.60

Finding the Fourth Proportional to 7,413.12, 10,230.48 and 4,269.60

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Solution

The fourth proportional to 7,413.12, 10,230.48 and 4,269.60 is: 5,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.12 : 10,230.48 = 4,269.60 : x
  2. Step 2: Convert to fraction form
    7,413.12/10,230.48 = 4,269.60/x
  3. Step 3: Cross multiply
    7,413.12x = 10,230.48 × 4,269.60
  4. Step 4: Simplify right side
    7,413.12x = 43,680,057.41
  5. Step 5: Solve for x
    x = 43,680,057.41/7,413.12
  6. Step 6: Final answer
    x = 5,892.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.