Home / 10,635.25-15,955.25-3,240.29

Finding the Fourth Proportional to 10,635.25, 15,955.25 and 3,240.29

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Solution

The fourth proportional to 10,635.25, 15,955.25 and 3,240.29 is: 4,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.25 : 15,955.25 = 3,240.29 : x
  2. Step 2: Convert to fraction form
    10,635.25/15,955.25 = 3,240.29/x
  3. Step 3: Cross multiply
    10,635.25x = 15,955.25 × 3,240.29
  4. Step 4: Simplify right side
    10,635.25x = 51,699,557.25
  5. Step 5: Solve for x
    x = 51,699,557.25/10,635.25
  6. Step 6: Final answer
    x = 4,861.15

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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.