Home / 7,519.12-10,372.92-4,867.36

Finding the Fourth Proportional to 7,519.12, 10,372.92 and 4,867.36

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Solution

The fourth proportional to 7,519.12, 10,372.92 and 4,867.36 is: 6,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.12 : 10,372.92 = 4,867.36 : x
  2. Step 2: Convert to fraction form
    7,519.12/10,372.92 = 4,867.36/x
  3. Step 3: Cross multiply
    7,519.12x = 10,372.92 × 4,867.36
  4. Step 4: Simplify right side
    7,519.12x = 50,488,735.89
  5. Step 5: Solve for x
    x = 50,488,735.89/7,519.12
  6. Step 6: Final answer
    x = 6,714.71

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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.