Home / 8,270.86-11,413.60-4,685.53

Finding the Fourth Proportional to 8,270.86, 11,413.60 and 4,685.53

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Solution

The fourth proportional to 8,270.86, 11,413.60 and 4,685.53 is: 6,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.86 : 11,413.60 = 4,685.53 : x
  2. Step 2: Convert to fraction form
    8,270.86/11,413.60 = 4,685.53/x
  3. Step 3: Cross multiply
    8,270.86x = 11,413.60 × 4,685.53
  4. Step 4: Simplify right side
    8,270.86x = 53,478,765.21
  5. Step 5: Solve for x
    x = 53,478,765.21/8,270.86
  6. Step 6: Final answer
    x = 6,465.93

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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.