Home / 8,858.40-12,224.39-5,083.77

Finding the Fourth Proportional to 8,858.40, 12,224.39 and 5,083.77

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Solution

The fourth proportional to 8,858.40, 12,224.39 and 5,083.77 is: 7,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.40 : 12,224.39 = 5,083.77 : x
  2. Step 2: Convert to fraction form
    8,858.40/12,224.39 = 5,083.77/x
  3. Step 3: Cross multiply
    8,858.40x = 12,224.39 × 5,083.77
  4. Step 4: Simplify right side
    8,858.40x = 62,145,961.73
  5. Step 5: Solve for x
    x = 62,145,961.73/8,858.40
  6. Step 6: Final answer
    x = 7,015.48

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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.