Home / 11,323.94-16,980.45-4,748.36

Finding the Fourth Proportional to 11,323.94, 16,980.45 and 4,748.36

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Solution

The fourth proportional to 11,323.94, 16,980.45 and 4,748.36 is: 7,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.94 : 16,980.45 = 4,748.36 : x
  2. Step 2: Convert to fraction form
    11,323.94/16,980.45 = 4,748.36/x
  3. Step 3: Cross multiply
    11,323.94x = 16,980.45 × 4,748.36
  4. Step 4: Simplify right side
    11,323.94x = 80,629,289.56
  5. Step 5: Solve for x
    x = 80,629,289.56/11,323.94
  6. Step 6: Final answer
    x = 7,120.25

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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.