Home / 9,011.30-12,433.55-6,467.09

Finding the Fourth Proportional to 9,011.30, 12,433.55 and 6,467.09

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Solution

The fourth proportional to 9,011.30, 12,433.55 and 6,467.09 is: 8,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.30 : 12,433.55 = 6,467.09 : x
  2. Step 2: Convert to fraction form
    9,011.30/12,433.55 = 6,467.09/x
  3. Step 3: Cross multiply
    9,011.30x = 12,433.55 × 6,467.09
  4. Step 4: Simplify right side
    9,011.30x = 80,408,792.37
  5. Step 5: Solve for x
    x = 80,408,792.37/9,011.30
  6. Step 6: Final answer
    x = 8,923.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.