Home / 11,720.03-16,173.68-6,414.93

Finding the Fourth Proportional to 11,720.03, 16,173.68 and 6,414.93

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Solution

The fourth proportional to 11,720.03, 16,173.68 and 6,414.93 is: 8,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.03 : 16,173.68 = 6,414.93 : x
  2. Step 2: Convert to fraction form
    11,720.03/16,173.68 = 6,414.93/x
  3. Step 3: Cross multiply
    11,720.03x = 16,173.68 × 6,414.93
  4. Step 4: Simplify right side
    11,720.03x = 103,752,992.97
  5. Step 5: Solve for x
    x = 103,752,992.97/11,720.03
  6. Step 6: Final answer
    x = 8,852.63

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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.