Home / 11,223.50-16,837.68-4,298

Finding the Fourth Proportional to 11,223.50, 16,837.68 and 4,298

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Solution

The fourth proportional to 11,223.50, 16,837.68 and 4,298 is: 6,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.50 : 16,837.68 = 4,298 : x
  2. Step 2: Convert to fraction form
    11,223.50/16,837.68 = 4,298/x
  3. Step 3: Cross multiply
    11,223.50x = 16,837.68 × 4,298
  4. Step 4: Simplify right side
    11,223.50x = 72,368,348.64
  5. Step 5: Solve for x
    x = 72,368,348.64/11,223.50
  6. Step 6: Final answer
    x = 6,447.93

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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.