Home / 10,144.96-15,200.16-8,198.08

Finding the Fourth Proportional to 10,144.96, 15,200.16 and 8,198.08

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Solution

The fourth proportional to 10,144.96, 15,200.16 and 8,198.08 is: 12,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.96 : 15,200.16 = 8,198.08 : x
  2. Step 2: Convert to fraction form
    10,144.96/15,200.16 = 8,198.08/x
  3. Step 3: Cross multiply
    10,144.96x = 15,200.16 × 8,198.08
  4. Step 4: Simplify right side
    10,144.96x = 124,612,127.69
  5. Step 5: Solve for x
    x = 124,612,127.69/10,144.96
  6. Step 6: Final answer
    x = 12,283.16

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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.