Home / 11,938.58-17,913.70-4,822.54

Finding the Fourth Proportional to 11,938.58, 17,913.70 and 4,822.54

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Solution

The fourth proportional to 11,938.58, 17,913.70 and 4,822.54 is: 7,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.58 : 17,913.70 = 4,822.54 : x
  2. Step 2: Convert to fraction form
    11,938.58/17,913.70 = 4,822.54/x
  3. Step 3: Cross multiply
    11,938.58x = 17,913.70 × 4,822.54
  4. Step 4: Simplify right side
    11,938.58x = 86,389,534.80
  5. Step 5: Solve for x
    x = 86,389,534.80/11,938.58
  6. Step 6: Final answer
    x = 7,236.17

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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.