Home / 8,231.88-12,374.58-6,606.24

Finding the Fourth Proportional to 8,231.88, 12,374.58 and 6,606.24

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Solution

The fourth proportional to 8,231.88, 12,374.58 and 6,606.24 is: 9,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.88 : 12,374.58 = 6,606.24 : x
  2. Step 2: Convert to fraction form
    8,231.88/12,374.58 = 6,606.24/x
  3. Step 3: Cross multiply
    8,231.88x = 12,374.58 × 6,606.24
  4. Step 4: Simplify right side
    8,231.88x = 81,749,445.38
  5. Step 5: Solve for x
    x = 81,749,445.38/8,231.88
  6. Step 6: Final answer
    x = 9,930.84

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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.