Home / 11,027.80-16,541.70-4,790.80

Finding the Fourth Proportional to 11,027.80, 16,541.70 and 4,790.80

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Solution

The fourth proportional to 11,027.80, 16,541.70 and 4,790.80 is: 7,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.80 : 16,541.70 = 4,790.80 : x
  2. Step 2: Convert to fraction form
    11,027.80/16,541.70 = 4,790.80/x
  3. Step 3: Cross multiply
    11,027.80x = 16,541.70 × 4,790.80
  4. Step 4: Simplify right side
    11,027.80x = 79,247,976.36
  5. Step 5: Solve for x
    x = 79,247,976.36/11,027.80
  6. Step 6: Final answer
    x = 7,186.20

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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.