Home / 10,227.88-14,115.68-5,751.80

Finding the Fourth Proportional to 10,227.88, 14,115.68 and 5,751.80

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Solution

The fourth proportional to 10,227.88, 14,115.68 and 5,751.80 is: 7,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.88 : 14,115.68 = 5,751.80 : x
  2. Step 2: Convert to fraction form
    10,227.88/14,115.68 = 5,751.80/x
  3. Step 3: Cross multiply
    10,227.88x = 14,115.68 × 5,751.80
  4. Step 4: Simplify right side
    10,227.88x = 81,190,568.22
  5. Step 5: Solve for x
    x = 81,190,568.22/10,227.88
  6. Step 6: Final answer
    x = 7,938.16

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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.