Home / 11,018.77-16,526.04-3,119.38

Finding the Fourth Proportional to 11,018.77, 16,526.04 and 3,119.38

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Solution

The fourth proportional to 11,018.77, 16,526.04 and 3,119.38 is: 4,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.77 : 16,526.04 = 3,119.38 : x
  2. Step 2: Convert to fraction form
    11,018.77/16,526.04 = 3,119.38/x
  3. Step 3: Cross multiply
    11,018.77x = 16,526.04 × 3,119.38
  4. Step 4: Simplify right side
    11,018.77x = 51,550,945.64
  5. Step 5: Solve for x
    x = 51,550,945.64/11,018.77
  6. Step 6: Final answer
    x = 4,678.47

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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.