Home / 11,711.73-16,160.31-6,675.96

Finding the Fourth Proportional to 11,711.73, 16,160.31 and 6,675.96

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Solution

The fourth proportional to 11,711.73, 16,160.31 and 6,675.96 is: 9,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.73 : 16,160.31 = 6,675.96 : x
  2. Step 2: Convert to fraction form
    11,711.73/16,160.31 = 6,675.96/x
  3. Step 3: Cross multiply
    11,711.73x = 16,160.31 × 6,675.96
  4. Step 4: Simplify right side
    11,711.73x = 107,885,583.15
  5. Step 5: Solve for x
    x = 107,885,583.15/11,711.73
  6. Step 6: Final answer
    x = 9,211.75

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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.