Home / 11,172.08-16,758.16-3,776.60

Finding the Fourth Proportional to 11,172.08, 16,758.16 and 3,776.60

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Solution

The fourth proportional to 11,172.08, 16,758.16 and 3,776.60 is: 5,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.08 : 16,758.16 = 3,776.60 : x
  2. Step 2: Convert to fraction form
    11,172.08/16,758.16 = 3,776.60/x
  3. Step 3: Cross multiply
    11,172.08x = 16,758.16 × 3,776.60
  4. Step 4: Simplify right side
    11,172.08x = 63,288,867.06
  5. Step 5: Solve for x
    x = 63,288,867.06/11,172.08
  6. Step 6: Final answer
    x = 5,664.91

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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.