Home / 10,938.51-16,413.12-6,777.41

Finding the Fourth Proportional to 10,938.51, 16,413.12 and 6,777.41

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Solution

The fourth proportional to 10,938.51, 16,413.12 and 6,777.41 is: 10,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.51 : 16,413.12 = 6,777.41 : x
  2. Step 2: Convert to fraction form
    10,938.51/16,413.12 = 6,777.41/x
  3. Step 3: Cross multiply
    10,938.51x = 16,413.12 × 6,777.41
  4. Step 4: Simplify right side
    10,938.51x = 111,238,443.62
  5. Step 5: Solve for x
    x = 111,238,443.62/10,938.51
  6. Step 6: Final answer
    x = 10,169.43

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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.