Home / 11,363.39-17,047.40-4,789.56

Finding the Fourth Proportional to 11,363.39, 17,047.40 and 4,789.56

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Solution

The fourth proportional to 11,363.39, 17,047.40 and 4,789.56 is: 7,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.39 : 17,047.40 = 4,789.56 : x
  2. Step 2: Convert to fraction form
    11,363.39/17,047.40 = 4,789.56/x
  3. Step 3: Cross multiply
    11,363.39x = 17,047.40 × 4,789.56
  4. Step 4: Simplify right side
    11,363.39x = 81,649,585.12
  5. Step 5: Solve for x
    x = 81,649,585.12/11,363.39
  6. Step 6: Final answer
    x = 7,185.32

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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.