Home / 11,784.80-17,664.24-4,855.52

Finding the Fourth Proportional to 11,784.80, 17,664.24 and 4,855.52

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Solution

The fourth proportional to 11,784.80, 17,664.24 and 4,855.52 is: 7,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.80 : 17,664.24 = 4,855.52 : x
  2. Step 2: Convert to fraction form
    11,784.80/17,664.24 = 4,855.52/x
  3. Step 3: Cross multiply
    11,784.80x = 17,664.24 × 4,855.52
  4. Step 4: Simplify right side
    11,784.80x = 85,769,070.60
  5. Step 5: Solve for x
    x = 85,769,070.60/11,784.80
  6. Step 6: Final answer
    x = 7,277.94

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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.