Home / 11,249.91-16,870.02-3,855.11

Finding the Fourth Proportional to 11,249.91, 16,870.02 and 3,855.11

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Solution

The fourth proportional to 11,249.91, 16,870.02 and 3,855.11 is: 5,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.91 : 16,870.02 = 3,855.11 : x
  2. Step 2: Convert to fraction form
    11,249.91/16,870.02 = 3,855.11/x
  3. Step 3: Cross multiply
    11,249.91x = 16,870.02 × 3,855.11
  4. Step 4: Simplify right side
    11,249.91x = 65,035,698.45
  5. Step 5: Solve for x
    x = 65,035,698.45/11,249.91
  6. Step 6: Final answer
    x = 5,781.00

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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.