Home / 10,939.05-16,413.77-5,673.11

Finding the Fourth Proportional to 10,939.05, 16,413.77 and 5,673.11

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Solution

The fourth proportional to 10,939.05, 16,413.77 and 5,673.11 is: 8,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.05 : 16,413.77 = 5,673.11 : x
  2. Step 2: Convert to fraction form
    10,939.05/16,413.77 = 5,673.11/x
  3. Step 3: Cross multiply
    10,939.05x = 16,413.77 × 5,673.11
  4. Step 4: Simplify right side
    10,939.05x = 93,117,054.84
  5. Step 5: Solve for x
    x = 93,117,054.84/10,939.05
  6. Step 6: Final answer
    x = 8,512.35

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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.