Home / 10,231.34-14,120-6,253.22

Finding the Fourth Proportional to 10,231.34, 14,120 and 6,253.22

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Solution

The fourth proportional to 10,231.34, 14,120 and 6,253.22 is: 8,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.34 : 14,120 = 6,253.22 : x
  2. Step 2: Convert to fraction form
    10,231.34/14,120 = 6,253.22/x
  3. Step 3: Cross multiply
    10,231.34x = 14,120 × 6,253.22
  4. Step 4: Simplify right side
    10,231.34x = 88,295,466.40
  5. Step 5: Solve for x
    x = 88,295,466.40/10,231.34
  6. Step 6: Final answer
    x = 8,629.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.