Home / 9,519.48-13,134.24-5,542.56

Finding the Fourth Proportional to 9,519.48, 13,134.24 and 5,542.56

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Solution

The fourth proportional to 9,519.48, 13,134.24 and 5,542.56 is: 7,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.48 : 13,134.24 = 5,542.56 : x
  2. Step 2: Convert to fraction form
    9,519.48/13,134.24 = 5,542.56/x
  3. Step 3: Cross multiply
    9,519.48x = 13,134.24 × 5,542.56
  4. Step 4: Simplify right side
    9,519.48x = 72,797,313.25
  5. Step 5: Solve for x
    x = 72,797,313.25/9,519.48
  6. Step 6: Final answer
    x = 7,647.19

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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.