Home / 11,224.80-16,823.70-4,647.60

Finding the Fourth Proportional to 11,224.80, 16,823.70 and 4,647.60

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Solution

The fourth proportional to 11,224.80, 16,823.70 and 4,647.60 is: 6,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.80 : 16,823.70 = 4,647.60 : x
  2. Step 2: Convert to fraction form
    11,224.80/16,823.70 = 4,647.60/x
  3. Step 3: Cross multiply
    11,224.80x = 16,823.70 × 4,647.60
  4. Step 4: Simplify right side
    11,224.80x = 78,189,828.12
  5. Step 5: Solve for x
    x = 78,189,828.12/11,224.80
  6. Step 6: Final answer
    x = 6,965.81

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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.