Home / 11,266.80-16,896.60-4,691.40

Finding the Fourth Proportional to 11,266.80, 16,896.60 and 4,691.40

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Solution

The fourth proportional to 11,266.80, 16,896.60 and 4,691.40 is: 7,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.80 : 16,896.60 = 4,691.40 : x
  2. Step 2: Convert to fraction form
    11,266.80/16,896.60 = 4,691.40/x
  3. Step 3: Cross multiply
    11,266.80x = 16,896.60 × 4,691.40
  4. Step 4: Simplify right side
    11,266.80x = 79,268,709.24
  5. Step 5: Solve for x
    x = 79,268,709.24/11,266.80
  6. Step 6: Final answer
    x = 7,035.60

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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.