Home / 10,631.09-15,949.05-3,236.60

Finding the Fourth Proportional to 10,631.09, 15,949.05 and 3,236.60

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Solution

The fourth proportional to 10,631.09, 15,949.05 and 3,236.60 is: 4,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.09 : 15,949.05 = 3,236.60 : x
  2. Step 2: Convert to fraction form
    10,631.09/15,949.05 = 3,236.60/x
  3. Step 3: Cross multiply
    10,631.09x = 15,949.05 × 3,236.60
  4. Step 4: Simplify right side
    10,631.09x = 51,620,615.48
  5. Step 5: Solve for x
    x = 51,620,615.48/10,631.09
  6. Step 6: Final answer
    x = 4,855.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.