Home / 11,745.56-17,618.58-3,954.35

Finding the Fourth Proportional to 11,745.56, 17,618.58 and 3,954.35

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Solution

The fourth proportional to 11,745.56, 17,618.58 and 3,954.35 is: 5,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.56 : 17,618.58 = 3,954.35 : x
  2. Step 2: Convert to fraction form
    11,745.56/17,618.58 = 3,954.35/x
  3. Step 3: Cross multiply
    11,745.56x = 17,618.58 × 3,954.35
  4. Step 4: Simplify right side
    11,745.56x = 69,669,943.73
  5. Step 5: Solve for x
    x = 69,669,943.73/11,745.56
  6. Step 6: Final answer
    x = 5,931.60

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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.