Home / 10,910.40-16,365.70-4,665.16

Finding the Fourth Proportional to 10,910.40, 16,365.70 and 4,665.16

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Solution

The fourth proportional to 10,910.40, 16,365.70 and 4,665.16 is: 6,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.40 : 16,365.70 = 4,665.16 : x
  2. Step 2: Convert to fraction form
    10,910.40/16,365.70 = 4,665.16/x
  3. Step 3: Cross multiply
    10,910.40x = 16,365.70 × 4,665.16
  4. Step 4: Simplify right side
    10,910.40x = 76,348,609.01
  5. Step 5: Solve for x
    x = 76,348,609.01/10,910.40
  6. Step 6: Final answer
    x = 6,997.78

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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.