Home / 10,969.76-16,454.62-3,574.21

Finding the Fourth Proportional to 10,969.76, 16,454.62 and 3,574.21

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Solution

The fourth proportional to 10,969.76, 16,454.62 and 3,574.21 is: 5,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.76 : 16,454.62 = 3,574.21 : x
  2. Step 2: Convert to fraction form
    10,969.76/16,454.62 = 3,574.21/x
  3. Step 3: Cross multiply
    10,969.76x = 16,454.62 × 3,574.21
  4. Step 4: Simplify right side
    10,969.76x = 58,812,185.08
  5. Step 5: Solve for x
    x = 58,812,185.08/10,969.76
  6. Step 6: Final answer
    x = 5,361.30

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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.