Home / 10,231.91-15,346.34-2,835.60

Finding the Fourth Proportional to 10,231.91, 15,346.34 and 2,835.60

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Solution

The fourth proportional to 10,231.91, 15,346.34 and 2,835.60 is: 4,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.91 : 15,346.34 = 2,835.60 : x
  2. Step 2: Convert to fraction form
    10,231.91/15,346.34 = 2,835.60/x
  3. Step 3: Cross multiply
    10,231.91x = 15,346.34 × 2,835.60
  4. Step 4: Simplify right side
    10,231.91x = 43,516,004.97
  5. Step 5: Solve for x
    x = 43,516,004.97/10,231.91
  6. Step 6: Final answer
    x = 4,252.97

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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.