Home / 10,819.37-16,216.67-4,900.77

Finding the Fourth Proportional to 10,819.37, 16,216.67 and 4,900.77

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Solution

The fourth proportional to 10,819.37, 16,216.67 and 4,900.77 is: 7,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.37 : 16,216.67 = 4,900.77 : x
  2. Step 2: Convert to fraction form
    10,819.37/16,216.67 = 4,900.77/x
  3. Step 3: Cross multiply
    10,819.37x = 16,216.67 × 4,900.77
  4. Step 4: Simplify right side
    10,819.37x = 79,474,182.09
  5. Step 5: Solve for x
    x = 79,474,182.09/10,819.37
  6. Step 6: Final answer
    x = 7,345.54

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1.5x scale

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.