Home / 7,422.54-11,133.53-2,228.28

Finding the Fourth Proportional to 7,422.54, 11,133.53 and 2,228.28

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Solution

The fourth proportional to 7,422.54, 11,133.53 and 2,228.28 is: 3,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.54 : 11,133.53 = 2,228.28 : x
  2. Step 2: Convert to fraction form
    7,422.54/11,133.53 = 2,228.28/x
  3. Step 3: Cross multiply
    7,422.54x = 11,133.53 × 2,228.28
  4. Step 4: Simplify right side
    7,422.54x = 24,808,572.13
  5. Step 5: Solve for x
    x = 24,808,572.13/7,422.54
  6. Step 6: Final answer
    x = 3,342.33

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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.