Home / 10,904.65-16,361.84-3,977.53

Finding the Fourth Proportional to 10,904.65, 16,361.84 and 3,977.53

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Solution

The fourth proportional to 10,904.65, 16,361.84 and 3,977.53 is: 5,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.65 : 16,361.84 = 3,977.53 : x
  2. Step 2: Convert to fraction form
    10,904.65/16,361.84 = 3,977.53/x
  3. Step 3: Cross multiply
    10,904.65x = 16,361.84 × 3,977.53
  4. Step 4: Simplify right side
    10,904.65x = 65,079,689.57
  5. Step 5: Solve for x
    x = 65,079,689.57/10,904.65
  6. Step 6: Final answer
    x = 5,968.07

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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.