Home / 10,868.37-16,300.63-4,943.87

Finding the Fourth Proportional to 10,868.37, 16,300.63 and 4,943.87

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Solution

The fourth proportional to 10,868.37, 16,300.63 and 4,943.87 is: 7,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.37 : 16,300.63 = 4,943.87 : x
  2. Step 2: Convert to fraction form
    10,868.37/16,300.63 = 4,943.87/x
  3. Step 3: Cross multiply
    10,868.37x = 16,300.63 × 4,943.87
  4. Step 4: Simplify right side
    10,868.37x = 80,588,195.64
  5. Step 5: Solve for x
    x = 80,588,195.64/10,868.37
  6. Step 6: Final answer
    x = 7,414.93

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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.