Home / 12,362.56-18,546.72-3,598.40

Finding the Fourth Proportional to 12,362.56, 18,546.72 and 3,598.40

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Solution

The fourth proportional to 12,362.56, 18,546.72 and 3,598.40 is: 5,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.56 : 18,546.72 = 3,598.40 : x
  2. Step 2: Convert to fraction form
    12,362.56/18,546.72 = 3,598.40/x
  3. Step 3: Cross multiply
    12,362.56x = 18,546.72 × 3,598.40
  4. Step 4: Simplify right side
    12,362.56x = 66,738,517.25
  5. Step 5: Solve for x
    x = 66,738,517.25/12,362.56
  6. Step 6: Final answer
    x = 5,398.44

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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.