Home / 11,740.20-17,588.70-9,882.60

Finding the Fourth Proportional to 11,740.20, 17,588.70 and 9,882.60

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Solution

The fourth proportional to 11,740.20, 17,588.70 and 9,882.60 is: 14,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.20 : 17,588.70 = 9,882.60 : x
  2. Step 2: Convert to fraction form
    11,740.20/17,588.70 = 9,882.60/x
  3. Step 3: Cross multiply
    11,740.20x = 17,588.70 × 9,882.60
  4. Step 4: Simplify right side
    11,740.20x = 173,822,086.62
  5. Step 5: Solve for x
    x = 173,822,086.62/11,740.20
  6. Step 6: Final answer
    x = 14,805.72

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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.