Home / 12,244.12-18,364.72-7,249.48

Finding the Fourth Proportional to 12,244.12, 18,364.72 and 7,249.48

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Solution

The fourth proportional to 12,244.12, 18,364.72 and 7,249.48 is: 10,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.12 : 18,364.72 = 7,249.48 : x
  2. Step 2: Convert to fraction form
    12,244.12/18,364.72 = 7,249.48/x
  3. Step 3: Cross multiply
    12,244.12x = 18,364.72 × 7,249.48
  4. Step 4: Simplify right side
    12,244.12x = 133,134,670.35
  5. Step 5: Solve for x
    x = 133,134,670.35/12,244.12
  6. Step 6: Final answer
    x = 10,873.36

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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.