Home / 11,273.40-15,558.36-6,493.54

Finding the Fourth Proportional to 11,273.40, 15,558.36 and 6,493.54

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Solution

The fourth proportional to 11,273.40, 15,558.36 and 6,493.54 is: 8,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.40 : 15,558.36 = 6,493.54 : x
  2. Step 2: Convert to fraction form
    11,273.40/15,558.36 = 6,493.54/x
  3. Step 3: Cross multiply
    11,273.40x = 15,558.36 × 6,493.54
  4. Step 4: Simplify right side
    11,273.40x = 101,028,832.99
  5. Step 5: Solve for x
    x = 101,028,832.99/11,273.40
  6. Step 6: Final answer
    x = 8,961.70

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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.