Home / 10,580.40-15,865.47-3,183.48

Finding the Fourth Proportional to 10,580.40, 15,865.47 and 3,183.48

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Solution

The fourth proportional to 10,580.40, 15,865.47 and 3,183.48 is: 4,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.40 : 15,865.47 = 3,183.48 : x
  2. Step 2: Convert to fraction form
    10,580.40/15,865.47 = 3,183.48/x
  3. Step 3: Cross multiply
    10,580.40x = 15,865.47 × 3,183.48
  4. Step 4: Simplify right side
    10,580.40x = 50,507,406.44
  5. Step 5: Solve for x
    x = 50,507,406.44/10,580.40
  6. Step 6: Final answer
    x = 4,773.68

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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.