Home / 7,629.02-11,446.47-2,947.73

Finding the Fourth Proportional to 7,629.02, 11,446.47 and 2,947.73

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Solution

The fourth proportional to 7,629.02, 11,446.47 and 2,947.73 is: 4,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.02 : 11,446.47 = 2,947.73 : x
  2. Step 2: Convert to fraction form
    7,629.02/11,446.47 = 2,947.73/x
  3. Step 3: Cross multiply
    7,629.02x = 11,446.47 × 2,947.73
  4. Step 4: Simplify right side
    7,629.02x = 33,741,045.78
  5. Step 5: Solve for x
    x = 33,741,045.78/7,629.02
  6. Step 6: Final answer
    x = 4,422.73

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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.