Home / 9,515.02-13,129.19-5,975.73

Finding the Fourth Proportional to 9,515.02, 13,129.19 and 5,975.73

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Solution

The fourth proportional to 9,515.02, 13,129.19 and 5,975.73 is: 8,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.02 : 13,129.19 = 5,975.73 : x
  2. Step 2: Convert to fraction form
    9,515.02/13,129.19 = 5,975.73/x
  3. Step 3: Cross multiply
    9,515.02x = 13,129.19 × 5,975.73
  4. Step 4: Simplify right side
    9,515.02x = 78,456,494.56
  5. Step 5: Solve for x
    x = 78,456,494.56/9,515.02
  6. Step 6: Final answer
    x = 8,245.54

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Double scale
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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.