Home / 10,779.30-16,147.94-6,085.11

Finding the Fourth Proportional to 10,779.30, 16,147.94 and 6,085.11

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Solution

The fourth proportional to 10,779.30, 16,147.94 and 6,085.11 is: 9,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.30 : 16,147.94 = 6,085.11 : x
  2. Step 2: Convert to fraction form
    10,779.30/16,147.94 = 6,085.11/x
  3. Step 3: Cross multiply
    10,779.30x = 16,147.94 × 6,085.11
  4. Step 4: Simplify right side
    10,779.30x = 98,262,021.30
  5. Step 5: Solve for x
    x = 98,262,021.30/10,779.30
  6. Step 6: Final answer
    x = 9,115.81

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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.