Home / 8,853.72-13,243.59-6,221.04

Finding the Fourth Proportional to 8,853.72, 13,243.59 and 6,221.04

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Solution

The fourth proportional to 8,853.72, 13,243.59 and 6,221.04 is: 9,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.72 : 13,243.59 = 6,221.04 : x
  2. Step 2: Convert to fraction form
    8,853.72/13,243.59 = 6,221.04/x
  3. Step 3: Cross multiply
    8,853.72x = 13,243.59 × 6,221.04
  4. Step 4: Simplify right side
    8,853.72x = 82,388,903.13
  5. Step 5: Solve for x
    x = 82,388,903.13/8,853.72
  6. Step 6: Final answer
    x = 9,305.57

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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.