Home / 7,435.99-11,147.37-2,822.23

Finding the Fourth Proportional to 7,435.99, 11,147.37 and 2,822.23

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Solution

The fourth proportional to 7,435.99, 11,147.37 and 2,822.23 is: 4,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.99 : 11,147.37 = 2,822.23 : x
  2. Step 2: Convert to fraction form
    7,435.99/11,147.37 = 2,822.23/x
  3. Step 3: Cross multiply
    7,435.99x = 11,147.37 × 2,822.23
  4. Step 4: Simplify right side
    7,435.99x = 31,460,442.04
  5. Step 5: Solve for x
    x = 31,460,442.04/7,435.99
  6. Step 6: Final answer
    x = 4,230.83

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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.