Home / 11,186.60-16,760.70-5,330.60

Finding the Fourth Proportional to 11,186.60, 16,760.70 and 5,330.60

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Solution

The fourth proportional to 11,186.60, 16,760.70 and 5,330.60 is: 7,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.60 : 16,760.70 = 5,330.60 : x
  2. Step 2: Convert to fraction form
    11,186.60/16,760.70 = 5,330.60/x
  3. Step 3: Cross multiply
    11,186.60x = 16,760.70 × 5,330.60
  4. Step 4: Simplify right side
    11,186.60x = 89,344,587.42
  5. Step 5: Solve for x
    x = 89,344,587.42/11,186.60
  6. Step 6: Final answer
    x = 7,986.75

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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.