Home / 11,157.58-16,725.49-5,312.62

Finding the Fourth Proportional to 11,157.58, 16,725.49 and 5,312.62

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Solution

The fourth proportional to 11,157.58, 16,725.49 and 5,312.62 is: 7,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.58 : 16,725.49 = 5,312.62 : x
  2. Step 2: Convert to fraction form
    11,157.58/16,725.49 = 5,312.62/x
  3. Step 3: Cross multiply
    11,157.58x = 16,725.49 × 5,312.62
  4. Step 4: Simplify right side
    11,157.58x = 88,856,172.68
  5. Step 5: Solve for x
    x = 88,856,172.68/11,157.58
  6. Step 6: Final answer
    x = 7,963.75

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1.5x scale

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.