Home / 8,398.73-11,590.33-4,813.61

Finding the Fourth Proportional to 8,398.73, 11,590.33 and 4,813.61

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Solution

The fourth proportional to 8,398.73, 11,590.33 and 4,813.61 is: 6,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.73 : 11,590.33 = 4,813.61 : x
  2. Step 2: Convert to fraction form
    8,398.73/11,590.33 = 4,813.61/x
  3. Step 3: Cross multiply
    8,398.73x = 11,590.33 × 4,813.61
  4. Step 4: Simplify right side
    8,398.73x = 55,791,309.05
  5. Step 5: Solve for x
    x = 55,791,309.05/8,398.73
  6. Step 6: Final answer
    x = 6,642.83

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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.