Home / 10,722.96-16,082.28-3,326.22

Finding the Fourth Proportional to 10,722.96, 16,082.28 and 3,326.22

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Solution

The fourth proportional to 10,722.96, 16,082.28 and 3,326.22 is: 4,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.96 : 16,082.28 = 3,326.22 : x
  2. Step 2: Convert to fraction form
    10,722.96/16,082.28 = 3,326.22/x
  3. Step 3: Cross multiply
    10,722.96x = 16,082.28 × 3,326.22
  4. Step 4: Simplify right side
    10,722.96x = 53,493,201.38
  5. Step 5: Solve for x
    x = 53,493,201.38/10,722.96
  6. Step 6: Final answer
    x = 4,988.66

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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.