Home / 10,739.56-16,102.87-4,815.37

Finding the Fourth Proportional to 10,739.56, 16,102.87 and 4,815.37

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Solution

The fourth proportional to 10,739.56, 16,102.87 and 4,815.37 is: 7,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.56 : 16,102.87 = 4,815.37 : x
  2. Step 2: Convert to fraction form
    10,739.56/16,102.87 = 4,815.37/x
  3. Step 3: Cross multiply
    10,739.56x = 16,102.87 × 4,815.37
  4. Step 4: Simplify right side
    10,739.56x = 77,541,330.49
  5. Step 5: Solve for x
    x = 77,541,330.49/10,739.56
  6. Step 6: Final answer
    x = 7,220.16

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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.