Home / 11,149.32-16,719.30-3,751.98

Finding the Fourth Proportional to 11,149.32, 16,719.30 and 3,751.98

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Solution

The fourth proportional to 11,149.32, 16,719.30 and 3,751.98 is: 5,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.32 : 16,719.30 = 3,751.98 : x
  2. Step 2: Convert to fraction form
    11,149.32/16,719.30 = 3,751.98/x
  3. Step 3: Cross multiply
    11,149.32x = 16,719.30 × 3,751.98
  4. Step 4: Simplify right side
    11,149.32x = 62,730,479.21
  5. Step 5: Solve for x
    x = 62,730,479.21/11,149.32
  6. Step 6: Final answer
    x = 5,626.40

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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.