Home / 11,185.47-16,779.02-3,394.89

Finding the Fourth Proportional to 11,185.47, 16,779.02 and 3,394.89

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Solution

The fourth proportional to 11,185.47, 16,779.02 and 3,394.89 is: 5,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.47 : 16,779.02 = 3,394.89 : x
  2. Step 2: Convert to fraction form
    11,185.47/16,779.02 = 3,394.89/x
  3. Step 3: Cross multiply
    11,185.47x = 16,779.02 × 3,394.89
  4. Step 4: Simplify right side
    11,185.47x = 56,962,910.23
  5. Step 5: Solve for x
    x = 56,962,910.23/11,185.47
  6. Step 6: Final answer
    x = 5,092.58

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1.5x scale

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.