Home / 6,453.09-9,663.19-4,255.16

Finding the Fourth Proportional to 6,453.09, 9,663.19 and 4,255.16

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Solution

The fourth proportional to 6,453.09, 9,663.19 and 4,255.16 is: 6,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.09 : 9,663.19 = 4,255.16 : x
  2. Step 2: Convert to fraction form
    6,453.09/9,663.19 = 4,255.16/x
  3. Step 3: Cross multiply
    6,453.09x = 9,663.19 × 4,255.16
  4. Step 4: Simplify right side
    6,453.09x = 41,118,360.61
  5. Step 5: Solve for x
    x = 41,118,360.61/6,453.09
  6. Step 6: Final answer
    x = 6,371.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.