Home / 10,903.62-16,355.44-3,976.50

Finding the Fourth Proportional to 10,903.62, 16,355.44 and 3,976.50

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Solution

The fourth proportional to 10,903.62, 16,355.44 and 3,976.50 is: 5,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.62 : 16,355.44 = 3,976.50 : x
  2. Step 2: Convert to fraction form
    10,903.62/16,355.44 = 3,976.50/x
  3. Step 3: Cross multiply
    10,903.62x = 16,355.44 × 3,976.50
  4. Step 4: Simplify right side
    10,903.62x = 65,037,407.16
  5. Step 5: Solve for x
    x = 65,037,407.16/10,903.62
  6. Step 6: Final answer
    x = 5,964.75

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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.