Home / 10,829.34-16,243.92-3,434.40

Finding the Fourth Proportional to 10,829.34, 16,243.92 and 3,434.40

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Solution

The fourth proportional to 10,829.34, 16,243.92 and 3,434.40 is: 5,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.34 : 16,243.92 = 3,434.40 : x
  2. Step 2: Convert to fraction form
    10,829.34/16,243.92 = 3,434.40/x
  3. Step 3: Cross multiply
    10,829.34x = 16,243.92 × 3,434.40
  4. Step 4: Simplify right side
    10,829.34x = 55,788,118.85
  5. Step 5: Solve for x
    x = 55,788,118.85/10,829.34
  6. Step 6: Final answer
    x = 5,151.57

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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.