Home / 8,431.26-11,635.53-4,654.97

Finding the Fourth Proportional to 8,431.26, 11,635.53 and 4,654.97

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Solution

The fourth proportional to 8,431.26, 11,635.53 and 4,654.97 is: 6,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.26 : 11,635.53 = 4,654.97 : x
  2. Step 2: Convert to fraction form
    8,431.26/11,635.53 = 4,654.97/x
  3. Step 3: Cross multiply
    8,431.26x = 11,635.53 × 4,654.97
  4. Step 4: Simplify right side
    8,431.26x = 54,162,984.91
  5. Step 5: Solve for x
    x = 54,162,984.91/8,431.26
  6. Step 6: Final answer
    x = 6,424.07

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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.