Home / 11,207.67-15,466.48-6,171.80

Finding the Fourth Proportional to 11,207.67, 15,466.48 and 6,171.80

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Solution

The fourth proportional to 11,207.67, 15,466.48 and 6,171.80 is: 8,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.67 : 15,466.48 = 6,171.80 : x
  2. Step 2: Convert to fraction form
    11,207.67/15,466.48 = 6,171.80/x
  3. Step 3: Cross multiply
    11,207.67x = 15,466.48 × 6,171.80
  4. Step 4: Simplify right side
    11,207.67x = 95,455,928.50
  5. Step 5: Solve for x
    x = 95,455,928.50/11,207.67
  6. Step 6: Final answer
    x = 8,517.02

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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.