Home / 9,945.53-13,720.24-5,959.73

Finding the Fourth Proportional to 9,945.53, 13,720.24 and 5,959.73

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Solution

The fourth proportional to 9,945.53, 13,720.24 and 5,959.73 is: 8,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.53 : 13,720.24 = 5,959.73 : x
  2. Step 2: Convert to fraction form
    9,945.53/13,720.24 = 5,959.73/x
  3. Step 3: Cross multiply
    9,945.53x = 13,720.24 × 5,959.73
  4. Step 4: Simplify right side
    9,945.53x = 81,768,856.99
  5. Step 5: Solve for x
    x = 81,768,856.99/9,945.53
  6. Step 6: Final answer
    x = 8,221.67

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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.