Home / 10,999.28-16,499.16-4,073.84

Finding the Fourth Proportional to 10,999.28, 16,499.16 and 4,073.84

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Solution

The fourth proportional to 10,999.28, 16,499.16 and 4,073.84 is: 6,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.28 : 16,499.16 = 4,073.84 : x
  2. Step 2: Convert to fraction form
    10,999.28/16,499.16 = 4,073.84/x
  3. Step 3: Cross multiply
    10,999.28x = 16,499.16 × 4,073.84
  4. Step 4: Simplify right side
    10,999.28x = 67,214,937.97
  5. Step 5: Solve for x
    x = 67,214,937.97/10,999.28
  6. Step 6: Final answer
    x = 6,110.85

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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.