Home / 11,153.79-16,733.16-3,758.31

Finding the Fourth Proportional to 11,153.79, 16,733.16 and 3,758.31

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Solution

The fourth proportional to 11,153.79, 16,733.16 and 3,758.31 is: 5,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.79 : 16,733.16 = 3,758.31 : x
  2. Step 2: Convert to fraction form
    11,153.79/16,733.16 = 3,758.31/x
  3. Step 3: Cross multiply
    11,153.79x = 16,733.16 × 3,758.31
  4. Step 4: Simplify right side
    11,153.79x = 62,888,402.56
  5. Step 5: Solve for x
    x = 62,888,402.56/11,153.79
  6. Step 6: Final answer
    x = 5,638.30

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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.