Home / 9,221.08-12,726.20-5,243.44

Finding the Fourth Proportional to 9,221.08, 12,726.20 and 5,243.44

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Solution

The fourth proportional to 9,221.08, 12,726.20 and 5,243.44 is: 7,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.08 : 12,726.20 = 5,243.44 : x
  2. Step 2: Convert to fraction form
    9,221.08/12,726.20 = 5,243.44/x
  3. Step 3: Cross multiply
    9,221.08x = 12,726.20 × 5,243.44
  4. Step 4: Simplify right side
    9,221.08x = 66,729,066.13
  5. Step 5: Solve for x
    x = 66,729,066.13/9,221.08
  6. Step 6: Final answer
    x = 7,236.58

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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.