Home / 10,919.36-16,356.04-5,001.24

Finding the Fourth Proportional to 10,919.36, 16,356.04 and 5,001.24

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Solution

The fourth proportional to 10,919.36, 16,356.04 and 5,001.24 is: 7,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.36 : 16,356.04 = 5,001.24 : x
  2. Step 2: Convert to fraction form
    10,919.36/16,356.04 = 5,001.24/x
  3. Step 3: Cross multiply
    10,919.36x = 16,356.04 × 5,001.24
  4. Step 4: Simplify right side
    10,919.36x = 81,800,481.49
  5. Step 5: Solve for x
    x = 81,800,481.49/10,919.36
  6. Step 6: Final answer
    x = 7,491.33

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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.