Home / 11,917.74-17,876.67-4,901.58

Finding the Fourth Proportional to 11,917.74, 17,876.67 and 4,901.58

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Solution

The fourth proportional to 11,917.74, 17,876.67 and 4,901.58 is: 7,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.74 : 17,876.67 = 4,901.58 : x
  2. Step 2: Convert to fraction form
    11,917.74/17,876.67 = 4,901.58/x
  3. Step 3: Cross multiply
    11,917.74x = 17,876.67 × 4,901.58
  4. Step 4: Simplify right side
    11,917.74x = 87,623,928.14
  5. Step 5: Solve for x
    x = 87,623,928.14/11,917.74
  6. Step 6: Final answer
    x = 7,352.39

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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.