Home / 12,231.98-18,347.40-4,334.37

Finding the Fourth Proportional to 12,231.98, 18,347.40 and 4,334.37

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Solution

The fourth proportional to 12,231.98, 18,347.40 and 4,334.37 is: 6,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.98 : 18,347.40 = 4,334.37 : x
  2. Step 2: Convert to fraction form
    12,231.98/18,347.40 = 4,334.37/x
  3. Step 3: Cross multiply
    12,231.98x = 18,347.40 × 4,334.37
  4. Step 4: Simplify right side
    12,231.98x = 79,524,420.14
  5. Step 5: Solve for x
    x = 79,524,420.14/12,231.98
  6. Step 6: Final answer
    x = 6,501.36

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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.