Home / 27,175.09-40,758.28-7,449.07

Finding the Fourth Proportional to 27,175.09, 40,758.28 and 7,449.07

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Solution

The fourth proportional to 27,175.09, 40,758.28 and 7,449.07 is: 11,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.09 : 40,758.28 = 7,449.07 : x
  2. Step 2: Convert to fraction form
    27,175.09/40,758.28 = 7,449.07/x
  3. Step 3: Cross multiply
    27,175.09x = 40,758.28 × 7,449.07
  4. Step 4: Simplify right side
    27,175.09x = 303,611,280.80
  5. Step 5: Solve for x
    x = 303,611,280.80/27,175.09
  6. Step 6: Final answer
    x = 11,172.41

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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.