Home / 11,157.15-16,731.46-3,759.62

Finding the Fourth Proportional to 11,157.15, 16,731.46 and 3,759.62

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Solution

The fourth proportional to 11,157.15, 16,731.46 and 3,759.62 is: 5,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.15 : 16,731.46 = 3,759.62 : x
  2. Step 2: Convert to fraction form
    11,157.15/16,731.46 = 3,759.62/x
  3. Step 3: Cross multiply
    11,157.15x = 16,731.46 × 3,759.62
  4. Step 4: Simplify right side
    11,157.15x = 62,903,931.65
  5. Step 5: Solve for x
    x = 62,903,931.65/11,157.15
  6. Step 6: Final answer
    x = 5,637.99

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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.