Home / 8,228.14-11,355.01-4,869.73

Finding the Fourth Proportional to 8,228.14, 11,355.01 and 4,869.73

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Solution

The fourth proportional to 8,228.14, 11,355.01 and 4,869.73 is: 6,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.14 : 11,355.01 = 4,869.73 : x
  2. Step 2: Convert to fraction form
    8,228.14/11,355.01 = 4,869.73/x
  3. Step 3: Cross multiply
    8,228.14x = 11,355.01 × 4,869.73
  4. Step 4: Simplify right side
    8,228.14x = 55,295,864.53
  5. Step 5: Solve for x
    x = 55,295,864.53/8,228.14
  6. Step 6: Final answer
    x = 6,720.33

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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.