Home / 10,161.78-14,025.06-5,914.98

Finding the Fourth Proportional to 10,161.78, 14,025.06 and 5,914.98

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Solution

The fourth proportional to 10,161.78, 14,025.06 and 5,914.98 is: 8,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.78 : 14,025.06 = 5,914.98 : x
  2. Step 2: Convert to fraction form
    10,161.78/14,025.06 = 5,914.98/x
  3. Step 3: Cross multiply
    10,161.78x = 14,025.06 × 5,914.98
  4. Step 4: Simplify right side
    10,161.78x = 82,957,949.40
  5. Step 5: Solve for x
    x = 82,957,949.40/10,161.78
  6. Step 6: Final answer
    x = 8,163.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.