Home / 11,807.11-17,703.78-4,790.49

Finding the Fourth Proportional to 11,807.11, 17,703.78 and 4,790.49

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Solution

The fourth proportional to 11,807.11, 17,703.78 and 4,790.49 is: 7,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.11 : 17,703.78 = 4,790.49 : x
  2. Step 2: Convert to fraction form
    11,807.11/17,703.78 = 4,790.49/x
  3. Step 3: Cross multiply
    11,807.11x = 17,703.78 × 4,790.49
  4. Step 4: Simplify right side
    11,807.11x = 84,809,781.05
  5. Step 5: Solve for x
    x = 84,809,781.05/11,807.11
  6. Step 6: Final answer
    x = 7,182.94

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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.