Home / 10,082.57-13,913.94-5,666.57

Finding the Fourth Proportional to 10,082.57, 13,913.94 and 5,666.57

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Solution

The fourth proportional to 10,082.57, 13,913.94 and 5,666.57 is: 7,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.57 : 13,913.94 = 5,666.57 : x
  2. Step 2: Convert to fraction form
    10,082.57/13,913.94 = 5,666.57/x
  3. Step 3: Cross multiply
    10,082.57x = 13,913.94 × 5,666.57
  4. Step 4: Simplify right side
    10,082.57x = 78,844,245.42
  5. Step 5: Solve for x
    x = 78,844,245.42/10,082.57
  6. Step 6: Final answer
    x = 7,819.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.