Home / 10,542.57-15,814.76-2,751.38

Finding the Fourth Proportional to 10,542.57, 15,814.76 and 2,751.38

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Solution

The fourth proportional to 10,542.57, 15,814.76 and 2,751.38 is: 4,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.57 : 15,814.76 = 2,751.38 : x
  2. Step 2: Convert to fraction form
    10,542.57/15,814.76 = 2,751.38/x
  3. Step 3: Cross multiply
    10,542.57x = 15,814.76 × 2,751.38
  4. Step 4: Simplify right side
    10,542.57x = 43,512,321.54
  5. Step 5: Solve for x
    x = 43,512,321.54/10,542.57
  6. Step 6: Final answer
    x = 4,127.30

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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.