Home / 8,116.04-11,189.94-6,622.44

Finding the Fourth Proportional to 8,116.04, 11,189.94 and 6,622.44

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Solution

The fourth proportional to 8,116.04, 11,189.94 and 6,622.44 is: 9,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.04 : 11,189.94 = 6,622.44 : x
  2. Step 2: Convert to fraction form
    8,116.04/11,189.94 = 6,622.44/x
  3. Step 3: Cross multiply
    8,116.04x = 11,189.94 × 6,622.44
  4. Step 4: Simplify right side
    8,116.04x = 74,104,706.25
  5. Step 5: Solve for x
    x = 74,104,706.25/8,116.04
  6. Step 6: Final answer
    x = 9,130.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.