Home / 11,271.09-16,903.05-3,873.77

Finding the Fourth Proportional to 11,271.09, 16,903.05 and 3,873.77

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Solution

The fourth proportional to 11,271.09, 16,903.05 and 3,873.77 is: 5,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.09 : 16,903.05 = 3,873.77 : x
  2. Step 2: Convert to fraction form
    11,271.09/16,903.05 = 3,873.77/x
  3. Step 3: Cross multiply
    11,271.09x = 16,903.05 × 3,873.77
  4. Step 4: Simplify right side
    11,271.09x = 65,478,443.48
  5. Step 5: Solve for x
    x = 65,478,443.48/11,271.09
  6. Step 6: Final answer
    x = 5,809.42

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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.