Home / 12,394.54-18,591.81-3,629.46

Finding the Fourth Proportional to 12,394.54, 18,591.81 and 3,629.46

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Solution

The fourth proportional to 12,394.54, 18,591.81 and 3,629.46 is: 5,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.54 : 18,591.81 = 3,629.46 : x
  2. Step 2: Convert to fraction form
    12,394.54/18,591.81 = 3,629.46/x
  3. Step 3: Cross multiply
    12,394.54x = 18,591.81 × 3,629.46
  4. Step 4: Simplify right side
    12,394.54x = 67,478,202.67
  5. Step 5: Solve for x
    x = 67,478,202.67/12,394.54
  6. Step 6: Final answer
    x = 5,444.19

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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.