Home / 9,616.21-13,270.38-5,309.31

Finding the Fourth Proportional to 9,616.21, 13,270.38 and 5,309.31

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Solution

The fourth proportional to 9,616.21, 13,270.38 and 5,309.31 is: 7,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.21 : 13,270.38 = 5,309.31 : x
  2. Step 2: Convert to fraction form
    9,616.21/13,270.38 = 5,309.31/x
  3. Step 3: Cross multiply
    9,616.21x = 13,270.38 × 5,309.31
  4. Step 4: Simplify right side
    9,616.21x = 70,456,561.24
  5. Step 5: Solve for x
    x = 70,456,561.24/9,616.21
  6. Step 6: Final answer
    x = 7,326.85

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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.