Home / 13,104.30-19,662.84-6,531.46

Finding the Fourth Proportional to 13,104.30, 19,662.84 and 6,531.46

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Solution

The fourth proportional to 13,104.30, 19,662.84 and 6,531.46 is: 9,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.30 : 19,662.84 = 6,531.46 : x
  2. Step 2: Convert to fraction form
    13,104.30/19,662.84 = 6,531.46/x
  3. Step 3: Cross multiply
    13,104.30x = 19,662.84 × 6,531.46
  4. Step 4: Simplify right side
    13,104.30x = 128,427,052.95
  5. Step 5: Solve for x
    x = 128,427,052.95/13,104.30
  6. Step 6: Final answer
    x = 9,800.37

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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.