Home / 6,309.12-9,464.90-2,149.37

Finding the Fourth Proportional to 6,309.12, 9,464.90 and 2,149.37

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Solution

The fourth proportional to 6,309.12, 9,464.90 and 2,149.37 is: 3,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.12 : 9,464.90 = 2,149.37 : x
  2. Step 2: Convert to fraction form
    6,309.12/9,464.90 = 2,149.37/x
  3. Step 3: Cross multiply
    6,309.12x = 9,464.90 × 2,149.37
  4. Step 4: Simplify right side
    6,309.12x = 20,343,561.63
  5. Step 5: Solve for x
    x = 20,343,561.63/6,309.12
  6. Step 6: Final answer
    x = 3,224.47

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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.