Home / 10,413.18-14,365.62-6,219

Finding the Fourth Proportional to 10,413.18, 14,365.62 and 6,219

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Solution

The fourth proportional to 10,413.18, 14,365.62 and 6,219 is: 8,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.18 : 14,365.62 = 6,219 : x
  2. Step 2: Convert to fraction form
    10,413.18/14,365.62 = 6,219/x
  3. Step 3: Cross multiply
    10,413.18x = 14,365.62 × 6,219
  4. Step 4: Simplify right side
    10,413.18x = 89,339,790.78
  5. Step 5: Solve for x
    x = 89,339,790.78/10,413.18
  6. Step 6: Final answer
    x = 8,579.49

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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.