Home / 11,623.69-17,435.21-4,228.28

Finding the Fourth Proportional to 11,623.69, 17,435.21 and 4,228.28

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Solution

The fourth proportional to 11,623.69, 17,435.21 and 4,228.28 is: 6,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.69 : 17,435.21 = 4,228.28 : x
  2. Step 2: Convert to fraction form
    11,623.69/17,435.21 = 4,228.28/x
  3. Step 3: Cross multiply
    11,623.69x = 17,435.21 × 4,228.28
  4. Step 4: Simplify right side
    11,623.69x = 73,720,928.60
  5. Step 5: Solve for x
    x = 73,720,928.60/11,623.69
  6. Step 6: Final answer
    x = 6,342.30

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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.