Home / 11,619.22-17,424.44-4,221.84

Finding the Fourth Proportional to 11,619.22, 17,424.44 and 4,221.84

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Solution

The fourth proportional to 11,619.22, 17,424.44 and 4,221.84 is: 6,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.22 : 17,424.44 = 4,221.84 : x
  2. Step 2: Convert to fraction form
    11,619.22/17,424.44 = 4,221.84/x
  3. Step 3: Cross multiply
    11,619.22x = 17,424.44 × 4,221.84
  4. Step 4: Simplify right side
    11,619.22x = 73,563,197.77
  5. Step 5: Solve for x
    x = 73,563,197.77/11,619.22
  6. Step 6: Final answer
    x = 6,331.16

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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.