Home / 11,936.22-16,473.48-7,220.48

Finding the Fourth Proportional to 11,936.22, 16,473.48 and 7,220.48

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Solution

The fourth proportional to 11,936.22, 16,473.48 and 7,220.48 is: 9,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.22 : 16,473.48 = 7,220.48 : x
  2. Step 2: Convert to fraction form
    11,936.22/16,473.48 = 7,220.48/x
  3. Step 3: Cross multiply
    11,936.22x = 16,473.48 × 7,220.48
  4. Step 4: Simplify right side
    11,936.22x = 118,946,432.87
  5. Step 5: Solve for x
    x = 118,946,432.87/11,936.22
  6. Step 6: Final answer
    x = 9,965.17

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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.