Home / 10,715.58-16,074.03-3,319.41

Finding the Fourth Proportional to 10,715.58, 16,074.03 and 3,319.41

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Solution

The fourth proportional to 10,715.58, 16,074.03 and 3,319.41 is: 4,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.58 : 16,074.03 = 3,319.41 : x
  2. Step 2: Convert to fraction form
    10,715.58/16,074.03 = 3,319.41/x
  3. Step 3: Cross multiply
    10,715.58x = 16,074.03 × 3,319.41
  4. Step 4: Simplify right side
    10,715.58x = 53,356,295.92
  5. Step 5: Solve for x
    x = 53,356,295.92/10,715.58
  6. Step 6: Final answer
    x = 4,979.32

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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.