Home / 10,175.88-15,277.98-5,249.04

Finding the Fourth Proportional to 10,175.88, 15,277.98 and 5,249.04

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Solution

The fourth proportional to 10,175.88, 15,277.98 and 5,249.04 is: 7,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.88 : 15,277.98 = 5,249.04 : x
  2. Step 2: Convert to fraction form
    10,175.88/15,277.98 = 5,249.04/x
  3. Step 3: Cross multiply
    10,175.88x = 15,277.98 × 5,249.04
  4. Step 4: Simplify right side
    10,175.88x = 80,194,728.14
  5. Step 5: Solve for x
    x = 80,194,728.14/10,175.88
  6. Step 6: Final answer
    x = 7,880.86

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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.