Home / 12,263.55-18,398.06-4,472.36

Finding the Fourth Proportional to 12,263.55, 18,398.06 and 4,472.36

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Solution

The fourth proportional to 12,263.55, 18,398.06 and 4,472.36 is: 6,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.55 : 18,398.06 = 4,472.36 : x
  2. Step 2: Convert to fraction form
    12,263.55/18,398.06 = 4,472.36/x
  3. Step 3: Cross multiply
    12,263.55x = 18,398.06 × 4,472.36
  4. Step 4: Simplify right side
    12,263.55x = 82,282,747.62
  5. Step 5: Solve for x
    x = 82,282,747.62/12,263.55
  6. Step 6: Final answer
    x = 6,709.54

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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.