Home / 12,084.60-16,676.86-6,779.53

Finding the Fourth Proportional to 12,084.60, 16,676.86 and 6,779.53

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Solution

The fourth proportional to 12,084.60, 16,676.86 and 6,779.53 is: 9,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.60 : 16,676.86 = 6,779.53 : x
  2. Step 2: Convert to fraction form
    12,084.60/16,676.86 = 6,779.53/x
  3. Step 3: Cross multiply
    12,084.60x = 16,676.86 × 6,779.53
  4. Step 4: Simplify right side
    12,084.60x = 113,061,189.29
  5. Step 5: Solve for x
    x = 113,061,189.29/12,084.60
  6. Step 6: Final answer
    x = 9,355.81

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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.