Home / 6,413.18-9,625.84-4,223.34

Finding the Fourth Proportional to 6,413.18, 9,625.84 and 4,223.34

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Solution

The fourth proportional to 6,413.18, 9,625.84 and 4,223.34 is: 6,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.18 : 9,625.84 = 4,223.34 : x
  2. Step 2: Convert to fraction form
    6,413.18/9,625.84 = 4,223.34/x
  3. Step 3: Cross multiply
    6,413.18x = 9,625.84 × 4,223.34
  4. Step 4: Simplify right side
    6,413.18x = 40,653,184.55
  5. Step 5: Solve for x
    x = 40,653,184.55/6,413.18
  6. Step 6: Final answer
    x = 6,339.01

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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.