Home / 8,835.75-12,194.46-5,109.75

Finding the Fourth Proportional to 8,835.75, 12,194.46 and 5,109.75

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Solution

The fourth proportional to 8,835.75, 12,194.46 and 5,109.75 is: 7,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.75 : 12,194.46 = 5,109.75 : x
  2. Step 2: Convert to fraction form
    8,835.75/12,194.46 = 5,109.75/x
  3. Step 3: Cross multiply
    8,835.75x = 12,194.46 × 5,109.75
  4. Step 4: Simplify right side
    8,835.75x = 62,310,641.99
  5. Step 5: Solve for x
    x = 62,310,641.99/8,835.75
  6. Step 6: Final answer
    x = 7,052.11

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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.