Home / 7,431.68-11,147.12-2,501.44

Finding the Fourth Proportional to 7,431.68, 11,147.12 and 2,501.44

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Solution

The fourth proportional to 7,431.68, 11,147.12 and 2,501.44 is: 3,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.68 : 11,147.12 = 2,501.44 : x
  2. Step 2: Convert to fraction form
    7,431.68/11,147.12 = 2,501.44/x
  3. Step 3: Cross multiply
    7,431.68x = 11,147.12 × 2,501.44
  4. Step 4: Simplify right side
    7,431.68x = 27,883,851.85
  5. Step 5: Solve for x
    x = 27,883,851.85/7,431.68
  6. Step 6: Final answer
    x = 3,752.03

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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.