Home / 11,237.64-16,856.42-2,916.96

Finding the Fourth Proportional to 11,237.64, 16,856.42 and 2,916.96

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Solution

The fourth proportional to 11,237.64, 16,856.42 and 2,916.96 is: 4,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.64 : 16,856.42 = 2,916.96 : x
  2. Step 2: Convert to fraction form
    11,237.64/16,856.42 = 2,916.96/x
  3. Step 3: Cross multiply
    11,237.64x = 16,856.42 × 2,916.96
  4. Step 4: Simplify right side
    11,237.64x = 49,169,502.88
  5. Step 5: Solve for x
    x = 49,169,502.88/11,237.64
  6. Step 6: Final answer
    x = 4,375.43

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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.