Home / 10,806.34-16,209.52-3,411.38

Finding the Fourth Proportional to 10,806.34, 16,209.52 and 3,411.38

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Solution

The fourth proportional to 10,806.34, 16,209.52 and 3,411.38 is: 5,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.34 : 16,209.52 = 3,411.38 : x
  2. Step 2: Convert to fraction form
    10,806.34/16,209.52 = 3,411.38/x
  3. Step 3: Cross multiply
    10,806.34x = 16,209.52 × 3,411.38
  4. Step 4: Simplify right side
    10,806.34x = 55,296,832.34
  5. Step 5: Solve for x
    x = 55,296,832.34/10,806.34
  6. Step 6: Final answer
    x = 5,117.07

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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.