Home / 8,346.21-11,517.78-4,809.33

Finding the Fourth Proportional to 8,346.21, 11,517.78 and 4,809.33

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Solution

The fourth proportional to 8,346.21, 11,517.78 and 4,809.33 is: 6,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.21 : 11,517.78 = 4,809.33 : x
  2. Step 2: Convert to fraction form
    8,346.21/11,517.78 = 4,809.33/x
  3. Step 3: Cross multiply
    8,346.21x = 11,517.78 × 4,809.33
  4. Step 4: Simplify right side
    8,346.21x = 55,392,804.89
  5. Step 5: Solve for x
    x = 55,392,804.89/8,346.21
  6. Step 6: Final answer
    x = 6,636.88

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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.