Home / 13,249.54-18,284.79-7,281.76

Finding the Fourth Proportional to 13,249.54, 18,284.79 and 7,281.76

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Solution

The fourth proportional to 13,249.54, 18,284.79 and 7,281.76 is: 10,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.54 : 18,284.79 = 7,281.76 : x
  2. Step 2: Convert to fraction form
    13,249.54/18,284.79 = 7,281.76/x
  3. Step 3: Cross multiply
    13,249.54x = 18,284.79 × 7,281.76
  4. Step 4: Simplify right side
    13,249.54x = 133,145,452.43
  5. Step 5: Solve for x
    x = 133,145,452.43/13,249.54
  6. Step 6: Final answer
    x = 10,049.06

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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.