Home / 7,034.38-10,542.33-5,176.78

Finding the Fourth Proportional to 7,034.38, 10,542.33 and 5,176.78

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Solution

The fourth proportional to 7,034.38, 10,542.33 and 5,176.78 is: 7,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.38 : 10,542.33 = 5,176.78 : x
  2. Step 2: Convert to fraction form
    7,034.38/10,542.33 = 5,176.78/x
  3. Step 3: Cross multiply
    7,034.38x = 10,542.33 × 5,176.78
  4. Step 4: Simplify right side
    7,034.38x = 54,575,296.74
  5. Step 5: Solve for x
    x = 54,575,296.74/7,034.38
  6. Step 6: Final answer
    x = 7,758.37

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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.