Home / 10,636.48-15,954.39-3,240.61

Finding the Fourth Proportional to 10,636.48, 15,954.39 and 3,240.61

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Solution

The fourth proportional to 10,636.48, 15,954.39 and 3,240.61 is: 4,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.48 : 15,954.39 = 3,240.61 : x
  2. Step 2: Convert to fraction form
    10,636.48/15,954.39 = 3,240.61/x
  3. Step 3: Cross multiply
    10,636.48x = 15,954.39 × 3,240.61
  4. Step 4: Simplify right side
    10,636.48x = 51,701,955.78
  5. Step 5: Solve for x
    x = 51,701,955.78/10,636.48
  6. Step 6: Final answer
    x = 4,860.81

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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.