Home / 6,623.88-9,138.62-4,108.04

Finding the Fourth Proportional to 6,623.88, 9,138.62 and 4,108.04

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Solution

The fourth proportional to 6,623.88, 9,138.62 and 4,108.04 is: 5,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.88 : 9,138.62 = 4,108.04 : x
  2. Step 2: Convert to fraction form
    6,623.88/9,138.62 = 4,108.04/x
  3. Step 3: Cross multiply
    6,623.88x = 9,138.62 × 4,108.04
  4. Step 4: Simplify right side
    6,623.88x = 37,541,816.50
  5. Step 5: Solve for x
    x = 37,541,816.50/6,623.88
  6. Step 6: Final answer
    x = 5,667.65

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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.