Home / 9,171.72-12,652.12-5,808.60

Finding the Fourth Proportional to 9,171.72, 12,652.12 and 5,808.60

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Solution

The fourth proportional to 9,171.72, 12,652.12 and 5,808.60 is: 8,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.72 : 12,652.12 = 5,808.60 : x
  2. Step 2: Convert to fraction form
    9,171.72/12,652.12 = 5,808.60/x
  3. Step 3: Cross multiply
    9,171.72x = 12,652.12 × 5,808.60
  4. Step 4: Simplify right side
    9,171.72x = 73,491,104.23
  5. Step 5: Solve for x
    x = 73,491,104.23/9,171.72
  6. Step 6: Final answer
    x = 8,012.79

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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.