Home / 8,398.53-11,589.96-4,621.62

Finding the Fourth Proportional to 8,398.53, 11,589.96 and 4,621.62

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Solution

The fourth proportional to 8,398.53, 11,589.96 and 4,621.62 is: 6,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.53 : 11,589.96 = 4,621.62 : x
  2. Step 2: Convert to fraction form
    8,398.53/11,589.96 = 4,621.62/x
  3. Step 3: Cross multiply
    8,398.53x = 11,589.96 × 4,621.62
  4. Step 4: Simplify right side
    8,398.53x = 53,564,390.94
  5. Step 5: Solve for x
    x = 53,564,390.94/8,398.53
  6. Step 6: Final answer
    x = 6,377.83

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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.