Home / 12,031.87-18,045.73-3,267.49

Finding the Fourth Proportional to 12,031.87, 18,045.73 and 3,267.49

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Solution

The fourth proportional to 12,031.87, 18,045.73 and 3,267.49 is: 4,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.87 : 18,045.73 = 3,267.49 : x
  2. Step 2: Convert to fraction form
    12,031.87/18,045.73 = 3,267.49/x
  3. Step 3: Cross multiply
    12,031.87x = 18,045.73 × 3,267.49
  4. Step 4: Simplify right side
    12,031.87x = 58,964,143.92
  5. Step 5: Solve for x
    x = 58,964,143.92/12,031.87
  6. Step 6: Final answer
    x = 4,900.67

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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.