Home / 10,631.25-15,949.16-3,236.28

Finding the Fourth Proportional to 10,631.25, 15,949.16 and 3,236.28

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Solution

The fourth proportional to 10,631.25, 15,949.16 and 3,236.28 is: 4,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.25 : 15,949.16 = 3,236.28 : x
  2. Step 2: Convert to fraction form
    10,631.25/15,949.16 = 3,236.28/x
  3. Step 3: Cross multiply
    10,631.25x = 15,949.16 × 3,236.28
  4. Step 4: Simplify right side
    10,631.25x = 51,615,947.52
  5. Step 5: Solve for x
    x = 51,615,947.52/10,631.25
  6. Step 6: Final answer
    x = 4,855.12

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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.