Home / 10,908.05-16,352.35-4,329.77

Finding the Fourth Proportional to 10,908.05, 16,352.35 and 4,329.77

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Solution

The fourth proportional to 10,908.05, 16,352.35 and 4,329.77 is: 6,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.05 : 16,352.35 = 4,329.77 : x
  2. Step 2: Convert to fraction form
    10,908.05/16,352.35 = 4,329.77/x
  3. Step 3: Cross multiply
    10,908.05x = 16,352.35 × 4,329.77
  4. Step 4: Simplify right side
    10,908.05x = 70,801,914.46
  5. Step 5: Solve for x
    x = 70,801,914.46/10,908.05
  6. Step 6: Final answer
    x = 6,490.79

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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.