Home / 7,835.62-11,752.23-2,571.19

Finding the Fourth Proportional to 7,835.62, 11,752.23 and 2,571.19

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Solution

The fourth proportional to 7,835.62, 11,752.23 and 2,571.19 is: 3,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.62 : 11,752.23 = 2,571.19 : x
  2. Step 2: Convert to fraction form
    7,835.62/11,752.23 = 2,571.19/x
  3. Step 3: Cross multiply
    7,835.62x = 11,752.23 × 2,571.19
  4. Step 4: Simplify right side
    7,835.62x = 30,217,216.25
  5. Step 5: Solve for x
    x = 30,217,216.25/7,835.62
  6. Step 6: Final answer
    x = 3,856.39

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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.