Home / 8,398.44-11,589.66-4,861.59

Finding the Fourth Proportional to 8,398.44, 11,589.66 and 4,861.59

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Solution

The fourth proportional to 8,398.44, 11,589.66 and 4,861.59 is: 6,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.44 : 11,589.66 = 4,861.59 : x
  2. Step 2: Convert to fraction form
    8,398.44/11,589.66 = 4,861.59/x
  3. Step 3: Cross multiply
    8,398.44x = 11,589.66 × 4,861.59
  4. Step 4: Simplify right side
    8,398.44x = 56,344,175.16
  5. Step 5: Solve for x
    x = 56,344,175.16/8,398.44
  6. Step 6: Final answer
    x = 6,708.89

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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.