Home / 6,623.49-9,137.79-4,267

Finding the Fourth Proportional to 6,623.49, 9,137.79 and 4,267

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Solution

The fourth proportional to 6,623.49, 9,137.79 and 4,267 is: 5,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.49 : 9,137.79 = 4,267 : x
  2. Step 2: Convert to fraction form
    6,623.49/9,137.79 = 4,267/x
  3. Step 3: Cross multiply
    6,623.49x = 9,137.79 × 4,267
  4. Step 4: Simplify right side
    6,623.49x = 38,990,949.93
  5. Step 5: Solve for x
    x = 38,990,949.93/6,623.49
  6. Step 6: Final answer
    x = 5,886.77

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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.