Home / 11,822.88-17,724.60-4,707.84

Finding the Fourth Proportional to 11,822.88, 17,724.60 and 4,707.84

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Solution

The fourth proportional to 11,822.88, 17,724.60 and 4,707.84 is: 7,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.88 : 17,724.60 = 4,707.84 : x
  2. Step 2: Convert to fraction form
    11,822.88/17,724.60 = 4,707.84/x
  3. Step 3: Cross multiply
    11,822.88x = 17,724.60 × 4,707.84
  4. Step 4: Simplify right side
    11,822.88x = 83,444,580.86
  5. Step 5: Solve for x
    x = 83,444,580.86/11,822.88
  6. Step 6: Final answer
    x = 7,057.89

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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.