Home / 11,649.24-16,068.60-6,930

Finding the Fourth Proportional to 11,649.24, 16,068.60 and 6,930

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Solution

The fourth proportional to 11,649.24, 16,068.60 and 6,930 is: 9,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.24 : 16,068.60 = 6,930 : x
  2. Step 2: Convert to fraction form
    11,649.24/16,068.60 = 6,930/x
  3. Step 3: Cross multiply
    11,649.24x = 16,068.60 × 6,930
  4. Step 4: Simplify right side
    11,649.24x = 111,355,398
  5. Step 5: Solve for x
    x = 111,355,398/11,649.24
  6. Step 6: Final answer
    x = 9,559.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.