Home / 12,481.64-18,723.18-4,690.52

Finding the Fourth Proportional to 12,481.64, 18,723.18 and 4,690.52

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Solution

The fourth proportional to 12,481.64, 18,723.18 and 4,690.52 is: 7,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.64 : 18,723.18 = 4,690.52 : x
  2. Step 2: Convert to fraction form
    12,481.64/18,723.18 = 4,690.52/x
  3. Step 3: Cross multiply
    12,481.64x = 18,723.18 × 4,690.52
  4. Step 4: Simplify right side
    12,481.64x = 87,821,450.25
  5. Step 5: Solve for x
    x = 87,821,450.25/12,481.64
  6. Step 6: Final answer
    x = 7,036.05

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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.