Home / 12,441.24-18,659.70-4,648.44

Finding the Fourth Proportional to 12,441.24, 18,659.70 and 4,648.44

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Solution

The fourth proportional to 12,441.24, 18,659.70 and 4,648.44 is: 6,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.24 : 18,659.70 = 4,648.44 : x
  2. Step 2: Convert to fraction form
    12,441.24/18,659.70 = 4,648.44/x
  3. Step 3: Cross multiply
    12,441.24x = 18,659.70 × 4,648.44
  4. Step 4: Simplify right side
    12,441.24x = 86,738,495.87
  5. Step 5: Solve for x
    x = 86,738,495.87/12,441.24
  6. Step 6: Final answer
    x = 6,971.85

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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.