Home / 10,100.45-15,151.55-3,082.04

Finding the Fourth Proportional to 10,100.45, 15,151.55 and 3,082.04

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Solution

The fourth proportional to 10,100.45, 15,151.55 and 3,082.04 is: 4,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.45 : 15,151.55 = 3,082.04 : x
  2. Step 2: Convert to fraction form
    10,100.45/15,151.55 = 3,082.04/x
  3. Step 3: Cross multiply
    10,100.45x = 15,151.55 × 3,082.04
  4. Step 4: Simplify right side
    10,100.45x = 46,697,700.09
  5. Step 5: Solve for x
    x = 46,697,700.09/10,100.45
  6. Step 6: Final answer
    x = 4,623.33

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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.