Home / 11,220.75-16,833.56-4,295.25

Finding the Fourth Proportional to 11,220.75, 16,833.56 and 4,295.25

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Solution

The fourth proportional to 11,220.75, 16,833.56 and 4,295.25 is: 6,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.75 : 16,833.56 = 4,295.25 : x
  2. Step 2: Convert to fraction form
    11,220.75/16,833.56 = 4,295.25/x
  3. Step 3: Cross multiply
    11,220.75x = 16,833.56 × 4,295.25
  4. Step 4: Simplify right side
    11,220.75x = 72,304,327.11
  5. Step 5: Solve for x
    x = 72,304,327.11/11,220.75
  6. Step 6: Final answer
    x = 6,443.81

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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.