Home / 8,398.89-11,590.97-4,863.33

Finding the Fourth Proportional to 8,398.89, 11,590.97 and 4,863.33

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Solution

The fourth proportional to 8,398.89, 11,590.97 and 4,863.33 is: 6,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.89 : 11,590.97 = 4,863.33 : x
  2. Step 2: Convert to fraction form
    8,398.89/11,590.97 = 4,863.33/x
  3. Step 3: Cross multiply
    8,398.89x = 11,590.97 × 4,863.33
  4. Step 4: Simplify right side
    8,398.89x = 56,370,687.81
  5. Step 5: Solve for x
    x = 56,370,687.81/8,398.89
  6. Step 6: Final answer
    x = 6,711.68

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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.