Home / 9,776.43-13,493.25-6,413.31

Finding the Fourth Proportional to 9,776.43, 13,493.25 and 6,413.31

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Solution

The fourth proportional to 9,776.43, 13,493.25 and 6,413.31 is: 8,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.43 : 13,493.25 = 6,413.31 : x
  2. Step 2: Convert to fraction form
    9,776.43/13,493.25 = 6,413.31/x
  3. Step 3: Cross multiply
    9,776.43x = 13,493.25 × 6,413.31
  4. Step 4: Simplify right side
    9,776.43x = 86,536,395.16
  5. Step 5: Solve for x
    x = 86,536,395.16/9,776.43
  6. Step 6: Final answer
    x = 8,851.53

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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.