Home / 8,635.73-11,917.35-5,100.68

Finding the Fourth Proportional to 8,635.73, 11,917.35 and 5,100.68

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Solution

The fourth proportional to 8,635.73, 11,917.35 and 5,100.68 is: 7,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.73 : 11,917.35 = 5,100.68 : x
  2. Step 2: Convert to fraction form
    8,635.73/11,917.35 = 5,100.68/x
  3. Step 3: Cross multiply
    8,635.73x = 11,917.35 × 5,100.68
  4. Step 4: Simplify right side
    8,635.73x = 60,786,529.21
  5. Step 5: Solve for x
    x = 60,786,529.21/8,635.73
  6. Step 6: Final answer
    x = 7,038.96

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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.