Home / 10,891.07-15,029.97-6,175.66

Finding the Fourth Proportional to 10,891.07, 15,029.97 and 6,175.66

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Solution

The fourth proportional to 10,891.07, 15,029.97 and 6,175.66 is: 8,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.07 : 15,029.97 = 6,175.66 : x
  2. Step 2: Convert to fraction form
    10,891.07/15,029.97 = 6,175.66/x
  3. Step 3: Cross multiply
    10,891.07x = 15,029.97 × 6,175.66
  4. Step 4: Simplify right side
    10,891.07x = 92,819,984.53
  5. Step 5: Solve for x
    x = 92,819,984.53/10,891.07
  6. Step 6: Final answer
    x = 8,522.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.