Home / 11,723.06-17,588.27-4,221.47

Finding the Fourth Proportional to 11,723.06, 17,588.27 and 4,221.47

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Solution

The fourth proportional to 11,723.06, 17,588.27 and 4,221.47 is: 6,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.06 : 17,588.27 = 4,221.47 : x
  2. Step 2: Convert to fraction form
    11,723.06/17,588.27 = 4,221.47/x
  3. Step 3: Cross multiply
    11,723.06x = 17,588.27 × 4,221.47
  4. Step 4: Simplify right side
    11,723.06x = 74,248,408.68
  5. Step 5: Solve for x
    x = 74,248,408.68/11,723.06
  6. Step 6: Final answer
    x = 6,333.53

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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.