Home / 10,639.54-15,960.22-3,244.07

Finding the Fourth Proportional to 10,639.54, 15,960.22 and 3,244.07

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Solution

The fourth proportional to 10,639.54, 15,960.22 and 3,244.07 is: 4,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.54 : 15,960.22 = 3,244.07 : x
  2. Step 2: Convert to fraction form
    10,639.54/15,960.22 = 3,244.07/x
  3. Step 3: Cross multiply
    10,639.54x = 15,960.22 × 3,244.07
  4. Step 4: Simplify right side
    10,639.54x = 51,776,070.90
  5. Step 5: Solve for x
    x = 51,776,070.90/10,639.54
  6. Step 6: Final answer
    x = 4,866.38

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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.