Home / 10,829.40-16,246.39-3,432.88

Finding the Fourth Proportional to 10,829.40, 16,246.39 and 3,432.88

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Solution

The fourth proportional to 10,829.40, 16,246.39 and 3,432.88 is: 5,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.40 : 16,246.39 = 3,432.88 : x
  2. Step 2: Convert to fraction form
    10,829.40/16,246.39 = 3,432.88/x
  3. Step 3: Cross multiply
    10,829.40x = 16,246.39 × 3,432.88
  4. Step 4: Simplify right side
    10,829.40x = 55,771,907.30
  5. Step 5: Solve for x
    x = 55,771,907.30/10,829.40
  6. Step 6: Final answer
    x = 5,150.05

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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.