Home / 7,413.50-10,231.56-4,863.40

Finding the Fourth Proportional to 7,413.50, 10,231.56 and 4,863.40

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Solution

The fourth proportional to 7,413.50, 10,231.56 and 4,863.40 is: 6,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.50 : 10,231.56 = 4,863.40 : x
  2. Step 2: Convert to fraction form
    7,413.50/10,231.56 = 4,863.40/x
  3. Step 3: Cross multiply
    7,413.50x = 10,231.56 × 4,863.40
  4. Step 4: Simplify right side
    7,413.50x = 49,760,168.90
  5. Step 5: Solve for x
    x = 49,760,168.90/7,413.50
  6. Step 6: Final answer
    x = 6,712.10

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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.