Home / 11,199.30-16,800.48-3,801.77

Finding the Fourth Proportional to 11,199.30, 16,800.48 and 3,801.77

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Solution

The fourth proportional to 11,199.30, 16,800.48 and 3,801.77 is: 5,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.30 : 16,800.48 = 3,801.77 : x
  2. Step 2: Convert to fraction form
    11,199.30/16,800.48 = 3,801.77/x
  3. Step 3: Cross multiply
    11,199.30x = 16,800.48 × 3,801.77
  4. Step 4: Simplify right side
    11,199.30x = 63,871,476.85
  5. Step 5: Solve for x
    x = 63,871,476.85/11,199.30
  6. Step 6: Final answer
    x = 5,703.17

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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.