Home / 12,202.89-18,274.95-5,947.62

Finding the Fourth Proportional to 12,202.89, 18,274.95 and 5,947.62

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Solution

The fourth proportional to 12,202.89, 18,274.95 and 5,947.62 is: 8,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.89 : 18,274.95 = 5,947.62 : x
  2. Step 2: Convert to fraction form
    12,202.89/18,274.95 = 5,947.62/x
  3. Step 3: Cross multiply
    12,202.89x = 18,274.95 × 5,947.62
  4. Step 4: Simplify right side
    12,202.89x = 108,692,458.12
  5. Step 5: Solve for x
    x = 108,692,458.12/12,202.89
  6. Step 6: Final answer
    x = 8,907.11

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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.