Home / 9,992.10-13,789.44-5,516.04

Finding the Fourth Proportional to 9,992.10, 13,789.44 and 5,516.04

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Solution

The fourth proportional to 9,992.10, 13,789.44 and 5,516.04 is: 7,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.10 : 13,789.44 = 5,516.04 : x
  2. Step 2: Convert to fraction form
    9,992.10/13,789.44 = 5,516.04/x
  3. Step 3: Cross multiply
    9,992.10x = 13,789.44 × 5,516.04
  4. Step 4: Simplify right side
    9,992.10x = 76,063,102.62
  5. Step 5: Solve for x
    x = 76,063,102.62/9,992.10
  6. Step 6: Final answer
    x = 7,612.32

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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.