Home / 12,334.50-18,501.75-4,126.50

Finding the Fourth Proportional to 12,334.50, 18,501.75 and 4,126.50

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Solution

The fourth proportional to 12,334.50, 18,501.75 and 4,126.50 is: 6,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.50 : 18,501.75 = 4,126.50 : x
  2. Step 2: Convert to fraction form
    12,334.50/18,501.75 = 4,126.50/x
  3. Step 3: Cross multiply
    12,334.50x = 18,501.75 × 4,126.50
  4. Step 4: Simplify right side
    12,334.50x = 76,347,471.38
  5. Step 5: Solve for x
    x = 76,347,471.38/12,334.50
  6. Step 6: Final answer
    x = 6,189.75

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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.