Home / 12,263.64-18,398.20-4,472.45

Finding the Fourth Proportional to 12,263.64, 18,398.20 and 4,472.45

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Solution

The fourth proportional to 12,263.64, 18,398.20 and 4,472.45 is: 6,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.64 : 18,398.20 = 4,472.45 : x
  2. Step 2: Convert to fraction form
    12,263.64/18,398.20 = 4,472.45/x
  3. Step 3: Cross multiply
    12,263.64x = 18,398.20 × 4,472.45
  4. Step 4: Simplify right side
    12,263.64x = 82,285,029.59
  5. Step 5: Solve for x
    x = 82,285,029.59/12,263.64
  6. Step 6: Final answer
    x = 6,709.67

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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.