Home / 7,662.28-10,575.09-4,679.83

Finding the Fourth Proportional to 7,662.28, 10,575.09 and 4,679.83

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Solution

The fourth proportional to 7,662.28, 10,575.09 and 4,679.83 is: 6,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.28 : 10,575.09 = 4,679.83 : x
  2. Step 2: Convert to fraction form
    7,662.28/10,575.09 = 4,679.83/x
  3. Step 3: Cross multiply
    7,662.28x = 10,575.09 × 4,679.83
  4. Step 4: Simplify right side
    7,662.28x = 49,489,623.43
  5. Step 5: Solve for x
    x = 49,489,623.43/7,662.28
  6. Step 6: Final answer
    x = 6,458.86

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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.