Home / 10,378.92-15,571.50-4,835.56

Finding the Fourth Proportional to 10,378.92, 15,571.50 and 4,835.56

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Solution

The fourth proportional to 10,378.92, 15,571.50 and 4,835.56 is: 7,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.92 : 15,571.50 = 4,835.56 : x
  2. Step 2: Convert to fraction form
    10,378.92/15,571.50 = 4,835.56/x
  3. Step 3: Cross multiply
    10,378.92x = 15,571.50 × 4,835.56
  4. Step 4: Simplify right side
    10,378.92x = 75,296,922.54
  5. Step 5: Solve for x
    x = 75,296,922.54/10,378.92
  6. Step 6: Final answer
    x = 7,254.79

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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.