Home / 6,894.10-10,342.30-5,413.26

Finding the Fourth Proportional to 6,894.10, 10,342.30 and 5,413.26

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Solution

The fourth proportional to 6,894.10, 10,342.30 and 5,413.26 is: 8,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.10 : 10,342.30 = 5,413.26 : x
  2. Step 2: Convert to fraction form
    6,894.10/10,342.30 = 5,413.26/x
  3. Step 3: Cross multiply
    6,894.10x = 10,342.30 × 5,413.26
  4. Step 4: Simplify right side
    6,894.10x = 55,985,558.90
  5. Step 5: Solve for x
    x = 55,985,558.90/6,894.10
  6. Step 6: Final answer
    x = 8,120.79

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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.