Home / 11,779.66-17,671.41-3,459.95

Finding the Fourth Proportional to 11,779.66, 17,671.41 and 3,459.95

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Solution

The fourth proportional to 11,779.66, 17,671.41 and 3,459.95 is: 5,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.66 : 17,671.41 = 3,459.95 : x
  2. Step 2: Convert to fraction form
    11,779.66/17,671.41 = 3,459.95/x
  3. Step 3: Cross multiply
    11,779.66x = 17,671.41 × 3,459.95
  4. Step 4: Simplify right side
    11,779.66x = 61,142,195.03
  5. Step 5: Solve for x
    x = 61,142,195.03/11,779.66
  6. Step 6: Final answer
    x = 5,190.49

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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.