Home / 11,163.60-16,740.54-5,613.48

Finding the Fourth Proportional to 11,163.60, 16,740.54 and 5,613.48

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Solution

The fourth proportional to 11,163.60, 16,740.54 and 5,613.48 is: 8,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.60 : 16,740.54 = 5,613.48 : x
  2. Step 2: Convert to fraction form
    11,163.60/16,740.54 = 5,613.48/x
  3. Step 3: Cross multiply
    11,163.60x = 16,740.54 × 5,613.48
  4. Step 4: Simplify right side
    11,163.60x = 93,972,686.48
  5. Step 5: Solve for x
    x = 93,972,686.48/11,163.60
  6. Step 6: Final answer
    x = 8,417.78

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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.