Home / 10,361.46-15,535.89-4,661.40

Finding the Fourth Proportional to 10,361.46, 15,535.89 and 4,661.40

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Solution

The fourth proportional to 10,361.46, 15,535.89 and 4,661.40 is: 6,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.46 : 15,535.89 = 4,661.40 : x
  2. Step 2: Convert to fraction form
    10,361.46/15,535.89 = 4,661.40/x
  3. Step 3: Cross multiply
    10,361.46x = 15,535.89 × 4,661.40
  4. Step 4: Simplify right side
    10,361.46x = 72,418,997.65
  5. Step 5: Solve for x
    x = 72,418,997.65/10,361.46
  6. Step 6: Final answer
    x = 6,989.27

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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.