Home / 10,524.87-15,782.99-3,947.67

Finding the Fourth Proportional to 10,524.87, 15,782.99 and 3,947.67

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Solution

The fourth proportional to 10,524.87, 15,782.99 and 3,947.67 is: 5,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,524.87 : 15,782.99 = 3,947.67 : x
  2. Step 2: Convert to fraction form
    10,524.87/15,782.99 = 3,947.67/x
  3. Step 3: Cross multiply
    10,524.87x = 15,782.99 × 3,947.67
  4. Step 4: Simplify right side
    10,524.87x = 62,306,016.39
  5. Step 5: Solve for x
    x = 62,306,016.39/10,524.87
  6. Step 6: Final answer
    x = 5,919.88

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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.