Home / 11,166.20-16,740.65-5,005.88

Finding the Fourth Proportional to 11,166.20, 16,740.65 and 5,005.88

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Solution

The fourth proportional to 11,166.20, 16,740.65 and 5,005.88 is: 7,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.20 : 16,740.65 = 5,005.88 : x
  2. Step 2: Convert to fraction form
    11,166.20/16,740.65 = 5,005.88/x
  3. Step 3: Cross multiply
    11,166.20x = 16,740.65 × 5,005.88
  4. Step 4: Simplify right side
    11,166.20x = 83,801,685.02
  5. Step 5: Solve for x
    x = 83,801,685.02/11,166.20
  6. Step 6: Final answer
    x = 7,504.94

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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.