Home / 11,878.06-17,814.25-3,555.84

Finding the Fourth Proportional to 11,878.06, 17,814.25 and 3,555.84

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Solution

The fourth proportional to 11,878.06, 17,814.25 and 3,555.84 is: 5,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.06 : 17,814.25 = 3,555.84 : x
  2. Step 2: Convert to fraction form
    11,878.06/17,814.25 = 3,555.84/x
  3. Step 3: Cross multiply
    11,878.06x = 17,814.25 × 3,555.84
  4. Step 4: Simplify right side
    11,878.06x = 63,344,622.72
  5. Step 5: Solve for x
    x = 63,344,622.72/11,878.06
  6. Step 6: Final answer
    x = 5,332.91

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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.