Home / 11,926.16-17,895-4,911.38

Finding the Fourth Proportional to 11,926.16, 17,895 and 4,911.38

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Solution

The fourth proportional to 11,926.16, 17,895 and 4,911.38 is: 7,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.16 : 17,895 = 4,911.38 : x
  2. Step 2: Convert to fraction form
    11,926.16/17,895 = 4,911.38/x
  3. Step 3: Cross multiply
    11,926.16x = 17,895 × 4,911.38
  4. Step 4: Simplify right side
    11,926.16x = 87,889,145.10
  5. Step 5: Solve for x
    x = 87,889,145.10/11,926.16
  6. Step 6: Final answer
    x = 7,369.44

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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.