Home / 12,829.38-19,245.18-4,508.68

Finding the Fourth Proportional to 12,829.38, 19,245.18 and 4,508.68

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Solution

The fourth proportional to 12,829.38, 19,245.18 and 4,508.68 is: 6,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.38 : 19,245.18 = 4,508.68 : x
  2. Step 2: Convert to fraction form
    12,829.38/19,245.18 = 4,508.68/x
  3. Step 3: Cross multiply
    12,829.38x = 19,245.18 × 4,508.68
  4. Step 4: Simplify right side
    12,829.38x = 86,770,358.16
  5. Step 5: Solve for x
    x = 86,770,358.16/12,829.38
  6. Step 6: Final answer
    x = 6,763.41

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1.5x scale

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.