Home / 7,209.08-9,947.38-4,022.22

Finding the Fourth Proportional to 7,209.08, 9,947.38 and 4,022.22

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Solution

The fourth proportional to 7,209.08, 9,947.38 and 4,022.22 is: 5,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.08 : 9,947.38 = 4,022.22 : x
  2. Step 2: Convert to fraction form
    7,209.08/9,947.38 = 4,022.22/x
  3. Step 3: Cross multiply
    7,209.08x = 9,947.38 × 4,022.22
  4. Step 4: Simplify right side
    7,209.08x = 40,010,550.78
  5. Step 5: Solve for x
    x = 40,010,550.78/7,209.08
  6. Step 6: Final answer
    x = 5,550.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.