Home / 9,221.45-13,832.27-2,647.69

Finding the Fourth Proportional to 9,221.45, 13,832.27 and 2,647.69

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Solution

The fourth proportional to 9,221.45, 13,832.27 and 2,647.69 is: 3,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.45 : 13,832.27 = 2,647.69 : x
  2. Step 2: Convert to fraction form
    9,221.45/13,832.27 = 2,647.69/x
  3. Step 3: Cross multiply
    9,221.45x = 13,832.27 × 2,647.69
  4. Step 4: Simplify right side
    9,221.45x = 36,623,525.07
  5. Step 5: Solve for x
    x = 36,623,525.07/9,221.45
  6. Step 6: Final answer
    x = 3,971.56

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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.