Home / 9,116.44-13,666.02-3,919

Finding the Fourth Proportional to 9,116.44, 13,666.02 and 3,919

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Solution

The fourth proportional to 9,116.44, 13,666.02 and 3,919 is: 5,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.44 : 13,666.02 = 3,919 : x
  2. Step 2: Convert to fraction form
    9,116.44/13,666.02 = 3,919/x
  3. Step 3: Cross multiply
    9,116.44x = 13,666.02 × 3,919
  4. Step 4: Simplify right side
    9,116.44x = 53,557,132.38
  5. Step 5: Solve for x
    x = 53,557,132.38/9,116.44
  6. Step 6: Final answer
    x = 5,874.79

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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.