Home / 11,238.10-16,856.53-3,446.93

Finding the Fourth Proportional to 11,238.10, 16,856.53 and 3,446.93

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Solution

The fourth proportional to 11,238.10, 16,856.53 and 3,446.93 is: 5,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.10 : 16,856.53 = 3,446.93 : x
  2. Step 2: Convert to fraction form
    11,238.10/16,856.53 = 3,446.93/x
  3. Step 3: Cross multiply
    11,238.10x = 16,856.53 × 3,446.93
  4. Step 4: Simplify right side
    11,238.10x = 58,103,278.95
  5. Step 5: Solve for x
    x = 58,103,278.95/11,238.10
  6. Step 6: Final answer
    x = 5,170.20

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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.