Home / 9,186.72-13,771.73-3,339.20

Finding the Fourth Proportional to 9,186.72, 13,771.73 and 3,339.20

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Solution

The fourth proportional to 9,186.72, 13,771.73 and 3,339.20 is: 5,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.72 : 13,771.73 = 3,339.20 : x
  2. Step 2: Convert to fraction form
    9,186.72/13,771.73 = 3,339.20/x
  3. Step 3: Cross multiply
    9,186.72x = 13,771.73 × 3,339.20
  4. Step 4: Simplify right side
    9,186.72x = 45,986,475.26
  5. Step 5: Solve for x
    x = 45,986,475.26/9,186.72
  6. Step 6: Final answer
    x = 5,005.76

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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.