Home / 11,774.48-17,650.73-3,977.84

Finding the Fourth Proportional to 11,774.48, 17,650.73 and 3,977.84

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Solution

The fourth proportional to 11,774.48, 17,650.73 and 3,977.84 is: 5,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.48 : 17,650.73 = 3,977.84 : x
  2. Step 2: Convert to fraction form
    11,774.48/17,650.73 = 3,977.84/x
  3. Step 3: Cross multiply
    11,774.48x = 17,650.73 × 3,977.84
  4. Step 4: Simplify right side
    11,774.48x = 70,211,701.51
  5. Step 5: Solve for x
    x = 70,211,701.51/11,774.48
  6. Step 6: Final answer
    x = 5,963.04

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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.