Home / 11,035.40-16,553.10-5,489.60

Finding the Fourth Proportional to 11,035.40, 16,553.10 and 5,489.60

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Solution

The fourth proportional to 11,035.40, 16,553.10 and 5,489.60 is: 8,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.40 : 16,553.10 = 5,489.60 : x
  2. Step 2: Convert to fraction form
    11,035.40/16,553.10 = 5,489.60/x
  3. Step 3: Cross multiply
    11,035.40x = 16,553.10 × 5,489.60
  4. Step 4: Simplify right side
    11,035.40x = 90,869,897.76
  5. Step 5: Solve for x
    x = 90,869,897.76/11,035.40
  6. Step 6: Final answer
    x = 8,234.40

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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.