Home / 9,176.02-12,662.87-5,197.03

Finding the Fourth Proportional to 9,176.02, 12,662.87 and 5,197.03

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Solution

The fourth proportional to 9,176.02, 12,662.87 and 5,197.03 is: 7,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.02 : 12,662.87 = 5,197.03 : x
  2. Step 2: Convert to fraction form
    9,176.02/12,662.87 = 5,197.03/x
  3. Step 3: Cross multiply
    9,176.02x = 12,662.87 × 5,197.03
  4. Step 4: Simplify right side
    9,176.02x = 65,809,257.63
  5. Step 5: Solve for x
    x = 65,809,257.63/9,176.02
  6. Step 6: Final answer
    x = 7,171.88

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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.