Home / 9,137.23-13,694.79-4,450.21

Finding the Fourth Proportional to 9,137.23, 13,694.79 and 4,450.21

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Solution

The fourth proportional to 9,137.23, 13,694.79 and 4,450.21 is: 6,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.23 : 13,694.79 = 4,450.21 : x
  2. Step 2: Convert to fraction form
    9,137.23/13,694.79 = 4,450.21/x
  3. Step 3: Cross multiply
    9,137.23x = 13,694.79 × 4,450.21
  4. Step 4: Simplify right side
    9,137.23x = 60,944,622.93
  5. Step 5: Solve for x
    x = 60,944,622.93/9,137.23
  6. Step 6: Final answer
    x = 6,669.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.