Home / 7,672.45-11,508.68-4,231.57

Finding the Fourth Proportional to 7,672.45, 11,508.68 and 4,231.57

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Solution

The fourth proportional to 7,672.45, 11,508.68 and 4,231.57 is: 6,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.45 : 11,508.68 = 4,231.57 : x
  2. Step 2: Convert to fraction form
    7,672.45/11,508.68 = 4,231.57/x
  3. Step 3: Cross multiply
    7,672.45x = 11,508.68 × 4,231.57
  4. Step 4: Simplify right side
    7,672.45x = 48,699,763.87
  5. Step 5: Solve for x
    x = 48,699,763.87/7,672.45
  6. Step 6: Final answer
    x = 6,347.36

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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.