Home / 12,247.40-18,346.80-6,692.60

Finding the Fourth Proportional to 12,247.40, 18,346.80 and 6,692.60

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Solution

The fourth proportional to 12,247.40, 18,346.80 and 6,692.60 is: 10,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.40 : 18,346.80 = 6,692.60 : x
  2. Step 2: Convert to fraction form
    12,247.40/18,346.80 = 6,692.60/x
  3. Step 3: Cross multiply
    12,247.40x = 18,346.80 × 6,692.60
  4. Step 4: Simplify right side
    12,247.40x = 122,787,793.68
  5. Step 5: Solve for x
    x = 122,787,793.68/12,247.40
  6. Step 6: Final answer
    x = 10,025.62

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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.