Home / 10,779.58-16,177.75-4,936.52

Finding the Fourth Proportional to 10,779.58, 16,177.75 and 4,936.52

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Solution

The fourth proportional to 10,779.58, 16,177.75 and 4,936.52 is: 7,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.58 : 16,177.75 = 4,936.52 : x
  2. Step 2: Convert to fraction form
    10,779.58/16,177.75 = 4,936.52/x
  3. Step 3: Cross multiply
    10,779.58x = 16,177.75 × 4,936.52
  4. Step 4: Simplify right side
    10,779.58x = 79,861,786.43
  5. Step 5: Solve for x
    x = 79,861,786.43/10,779.58
  6. Step 6: Final answer
    x = 7,408.62

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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.