Home / 12,083.03-16,676.58-6,779.55

Finding the Fourth Proportional to 12,083.03, 16,676.58 and 6,779.55

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Solution

The fourth proportional to 12,083.03, 16,676.58 and 6,779.55 is: 9,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.03 : 16,676.58 = 6,779.55 : x
  2. Step 2: Convert to fraction form
    12,083.03/16,676.58 = 6,779.55/x
  3. Step 3: Cross multiply
    12,083.03x = 16,676.58 × 6,779.55
  4. Step 4: Simplify right side
    12,083.03x = 113,059,707.94
  5. Step 5: Solve for x
    x = 113,059,707.94/12,083.03
  6. Step 6: Final answer
    x = 9,356.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.