Home / 11,321.30-15,623.24-6,285.52

Finding the Fourth Proportional to 11,321.30, 15,623.24 and 6,285.52

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Solution

The fourth proportional to 11,321.30, 15,623.24 and 6,285.52 is: 8,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.30 : 15,623.24 = 6,285.52 : x
  2. Step 2: Convert to fraction form
    11,321.30/15,623.24 = 6,285.52/x
  3. Step 3: Cross multiply
    11,321.30x = 15,623.24 × 6,285.52
  4. Step 4: Simplify right side
    11,321.30x = 98,200,187.48
  5. Step 5: Solve for x
    x = 98,200,187.48/11,321.30
  6. Step 6: Final answer
    x = 8,673.93

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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.