Home / 11,079.54-16,618.10-5,531.85

Finding the Fourth Proportional to 11,079.54, 16,618.10 and 5,531.85

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Solution

The fourth proportional to 11,079.54, 16,618.10 and 5,531.85 is: 8,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.54 : 16,618.10 = 5,531.85 : x
  2. Step 2: Convert to fraction form
    11,079.54/16,618.10 = 5,531.85/x
  3. Step 3: Cross multiply
    11,079.54x = 16,618.10 × 5,531.85
  4. Step 4: Simplify right side
    11,079.54x = 91,928,808.83
  5. Step 5: Solve for x
    x = 91,928,808.83/11,079.54
  6. Step 6: Final answer
    x = 8,297.17

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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.