Home / 9,539.27-13,163.87-5,290.31

Finding the Fourth Proportional to 9,539.27, 13,163.87 and 5,290.31

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Solution

The fourth proportional to 9,539.27, 13,163.87 and 5,290.31 is: 7,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.27 : 13,163.87 = 5,290.31 : x
  2. Step 2: Convert to fraction form
    9,539.27/13,163.87 = 5,290.31/x
  3. Step 3: Cross multiply
    9,539.27x = 13,163.87 × 5,290.31
  4. Step 4: Simplify right side
    9,539.27x = 69,640,860.83
  5. Step 5: Solve for x
    x = 69,640,860.83/9,539.27
  6. Step 6: Final answer
    x = 7,300.44

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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.