Home / 7,486.28-11,228.81-2,922.33

Finding the Fourth Proportional to 7,486.28, 11,228.81 and 2,922.33

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Solution

The fourth proportional to 7,486.28, 11,228.81 and 2,922.33 is: 4,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.28 : 11,228.81 = 2,922.33 : x
  2. Step 2: Convert to fraction form
    7,486.28/11,228.81 = 2,922.33/x
  3. Step 3: Cross multiply
    7,486.28x = 11,228.81 × 2,922.33
  4. Step 4: Simplify right side
    7,486.28x = 32,814,288.33
  5. Step 5: Solve for x
    x = 32,814,288.33/7,486.28
  6. Step 6: Final answer
    x = 4,383.26

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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.