Home / 12,170.70-16,791.63-6,792.27

Finding the Fourth Proportional to 12,170.70, 16,791.63 and 6,792.27

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Solution

The fourth proportional to 12,170.70, 16,791.63 and 6,792.27 is: 9,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.70 : 16,791.63 = 6,792.27 : x
  2. Step 2: Convert to fraction form
    12,170.70/16,791.63 = 6,792.27/x
  3. Step 3: Cross multiply
    12,170.70x = 16,791.63 × 6,792.27
  4. Step 4: Simplify right side
    12,170.70x = 114,053,284.70
  5. Step 5: Solve for x
    x = 114,053,284.70/12,170.70
  6. Step 6: Final answer
    x = 9,371.14

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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.