Home / 8,443.20-11,652.36-4,906.35

Finding the Fourth Proportional to 8,443.20, 11,652.36 and 4,906.35

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Solution

The fourth proportional to 8,443.20, 11,652.36 and 4,906.35 is: 6,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.20 : 11,652.36 = 4,906.35 : x
  2. Step 2: Convert to fraction form
    8,443.20/11,652.36 = 4,906.35/x
  3. Step 3: Cross multiply
    8,443.20x = 11,652.36 × 4,906.35
  4. Step 4: Simplify right side
    8,443.20x = 57,170,556.49
  5. Step 5: Solve for x
    x = 57,170,556.49/8,443.20
  6. Step 6: Final answer
    x = 6,771.20

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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.