Home / 10,629.93-15,934.55-5,081.84

Finding the Fourth Proportional to 10,629.93, 15,934.55 and 5,081.84

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Solution

The fourth proportional to 10,629.93, 15,934.55 and 5,081.84 is: 7,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.93 : 15,934.55 = 5,081.84 : x
  2. Step 2: Convert to fraction form
    10,629.93/15,934.55 = 5,081.84/x
  3. Step 3: Cross multiply
    10,629.93x = 15,934.55 × 5,081.84
  4. Step 4: Simplify right side
    10,629.93x = 80,976,753.90
  5. Step 5: Solve for x
    x = 80,976,753.90/10,629.93
  6. Step 6: Final answer
    x = 7,617.81

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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.