Home / 11,720.19-16,173.83-6,414.96

Finding the Fourth Proportional to 11,720.19, 16,173.83 and 6,414.96

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Solution

The fourth proportional to 11,720.19, 16,173.83 and 6,414.96 is: 8,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.19 : 16,173.83 = 6,414.96 : x
  2. Step 2: Convert to fraction form
    11,720.19/16,173.83 = 6,414.96/x
  3. Step 3: Cross multiply
    11,720.19x = 16,173.83 × 6,414.96
  4. Step 4: Simplify right side
    11,720.19x = 103,754,440.42
  5. Step 5: Solve for x
    x = 103,754,440.42/11,720.19
  6. Step 6: Final answer
    x = 8,852.62

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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.