Home / 10,634.69-15,955.46-3,240.57

Finding the Fourth Proportional to 10,634.69, 15,955.46 and 3,240.57

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Solution

The fourth proportional to 10,634.69, 15,955.46 and 3,240.57 is: 4,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.69 : 15,955.46 = 3,240.57 : x
  2. Step 2: Convert to fraction form
    10,634.69/15,955.46 = 3,240.57/x
  3. Step 3: Cross multiply
    10,634.69x = 15,955.46 × 3,240.57
  4. Step 4: Simplify right side
    10,634.69x = 51,704,768.81
  5. Step 5: Solve for x
    x = 51,704,768.81/10,634.69
  6. Step 6: Final answer
    x = 4,861.90

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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.