Home / 10,275.75-15,413.67-3,350.25

Finding the Fourth Proportional to 10,275.75, 15,413.67 and 3,350.25

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Solution

The fourth proportional to 10,275.75, 15,413.67 and 3,350.25 is: 5,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.75 : 15,413.67 = 3,350.25 : x
  2. Step 2: Convert to fraction form
    10,275.75/15,413.67 = 3,350.25/x
  3. Step 3: Cross multiply
    10,275.75x = 15,413.67 × 3,350.25
  4. Step 4: Simplify right side
    10,275.75x = 51,639,647.92
  5. Step 5: Solve for x
    x = 51,639,647.92/10,275.75
  6. Step 6: Final answer
    x = 5,025.39

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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.