Home / 12,832.78-19,235.79-6,249.91

Finding the Fourth Proportional to 12,832.78, 19,235.79 and 6,249.91

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Solution

The fourth proportional to 12,832.78, 19,235.79 and 6,249.91 is: 9,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.78 : 19,235.79 = 6,249.91 : x
  2. Step 2: Convert to fraction form
    12,832.78/19,235.79 = 6,249.91/x
  3. Step 3: Cross multiply
    12,832.78x = 19,235.79 × 6,249.91
  4. Step 4: Simplify right side
    12,832.78x = 120,221,956.28
  5. Step 5: Solve for x
    x = 120,221,956.28/12,832.78
  6. Step 6: Final answer
    x = 9,368.35

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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.