Home / 10,904.50-16,356.39-3,509.38

Finding the Fourth Proportional to 10,904.50, 16,356.39 and 3,509.38

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Solution

The fourth proportional to 10,904.50, 16,356.39 and 3,509.38 is: 5,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.50 : 16,356.39 = 3,509.38 : x
  2. Step 2: Convert to fraction form
    10,904.50/16,356.39 = 3,509.38/x
  3. Step 3: Cross multiply
    10,904.50x = 16,356.39 × 3,509.38
  4. Step 4: Simplify right side
    10,904.50x = 57,400,787.94
  5. Step 5: Solve for x
    x = 57,400,787.94/10,904.50
  6. Step 6: Final answer
    x = 5,263.95

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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.