Home / 11,719.51-16,172.94-6,414.66

Finding the Fourth Proportional to 11,719.51, 16,172.94 and 6,414.66

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Solution

The fourth proportional to 11,719.51, 16,172.94 and 6,414.66 is: 8,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.51 : 16,172.94 = 6,414.66 : x
  2. Step 2: Convert to fraction form
    11,719.51/16,172.94 = 6,414.66/x
  3. Step 3: Cross multiply
    11,719.51x = 16,172.94 × 6,414.66
  4. Step 4: Simplify right side
    11,719.51x = 103,743,911.30
  5. Step 5: Solve for x
    x = 103,743,911.30/11,719.51
  6. Step 6: Final answer
    x = 8,852.24

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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.