Home / 10,197.73-14,072.04-5,720.86

Finding the Fourth Proportional to 10,197.73, 14,072.04 and 5,720.86

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Solution

The fourth proportional to 10,197.73, 14,072.04 and 5,720.86 is: 7,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.73 : 14,072.04 = 5,720.86 : x
  2. Step 2: Convert to fraction form
    10,197.73/14,072.04 = 5,720.86/x
  3. Step 3: Cross multiply
    10,197.73x = 14,072.04 × 5,720.86
  4. Step 4: Simplify right side
    10,197.73x = 80,504,170.75
  5. Step 5: Solve for x
    x = 80,504,170.75/10,197.73
  6. Step 6: Final answer
    x = 7,894.32

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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.