Home / 11,719.74-16,173.24-6,414.56

Finding the Fourth Proportional to 11,719.74, 16,173.24 and 6,414.56

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Solution

The fourth proportional to 11,719.74, 16,173.24 and 6,414.56 is: 8,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.74 : 16,173.24 = 6,414.56 : x
  2. Step 2: Convert to fraction form
    11,719.74/16,173.24 = 6,414.56/x
  3. Step 3: Cross multiply
    11,719.74x = 16,173.24 × 6,414.56
  4. Step 4: Simplify right side
    11,719.74x = 103,744,137.51
  5. Step 5: Solve for x
    x = 103,744,137.51/11,719.74
  6. Step 6: Final answer
    x = 8,852.09

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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.