Home / 10,082.10-13,913.79-5,605.86

Finding the Fourth Proportional to 10,082.10, 13,913.79 and 5,605.86

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Solution

The fourth proportional to 10,082.10, 13,913.79 and 5,605.86 is: 7,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.10 : 13,913.79 = 5,605.86 : x
  2. Step 2: Convert to fraction form
    10,082.10/13,913.79 = 5,605.86/x
  3. Step 3: Cross multiply
    10,082.10x = 13,913.79 × 5,605.86
  4. Step 4: Simplify right side
    10,082.10x = 77,998,758.81
  5. Step 5: Solve for x
    x = 77,998,758.81/10,082.10
  6. Step 6: Final answer
    x = 7,736.36

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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.