Home / 8,630.48-11,906.68-4,852.78

Finding the Fourth Proportional to 8,630.48, 11,906.68 and 4,852.78

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Solution

The fourth proportional to 8,630.48, 11,906.68 and 4,852.78 is: 6,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.48 : 11,906.68 = 4,852.78 : x
  2. Step 2: Convert to fraction form
    8,630.48/11,906.68 = 4,852.78/x
  3. Step 3: Cross multiply
    8,630.48x = 11,906.68 × 4,852.78
  4. Step 4: Simplify right side
    8,630.48x = 57,780,498.57
  5. Step 5: Solve for x
    x = 57,780,498.57/8,630.48
  6. Step 6: Final answer
    x = 6,694.93

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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.