Home / 10,863.11-16,279.92-4,615.29

Finding the Fourth Proportional to 10,863.11, 16,279.92 and 4,615.29

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Solution

The fourth proportional to 10,863.11, 16,279.92 and 4,615.29 is: 6,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.11 : 16,279.92 = 4,615.29 : x
  2. Step 2: Convert to fraction form
    10,863.11/16,279.92 = 4,615.29/x
  3. Step 3: Cross multiply
    10,863.11x = 16,279.92 × 4,615.29
  4. Step 4: Simplify right side
    10,863.11x = 75,136,551.98
  5. Step 5: Solve for x
    x = 75,136,551.98/10,863.11
  6. Step 6: Final answer
    x = 6,916.67

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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.