Home / 11,195.82-15,442.38-9,701.07

Finding the Fourth Proportional to 11,195.82, 15,442.38 and 9,701.07

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Solution

The fourth proportional to 11,195.82, 15,442.38 and 9,701.07 is: 13,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.82 : 15,442.38 = 9,701.07 : x
  2. Step 2: Convert to fraction form
    11,195.82/15,442.38 = 9,701.07/x
  3. Step 3: Cross multiply
    11,195.82x = 15,442.38 × 9,701.07
  4. Step 4: Simplify right side
    11,195.82x = 149,807,609.35
  5. Step 5: Solve for x
    x = 149,807,609.35/11,195.82
  6. Step 6: Final answer
    x = 13,380.67

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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.