Home / 10,143.93-15,214.94-7,195.02

Finding the Fourth Proportional to 10,143.93, 15,214.94 and 7,195.02

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Solution

The fourth proportional to 10,143.93, 15,214.94 and 7,195.02 is: 10,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.93 : 15,214.94 = 7,195.02 : x
  2. Step 2: Convert to fraction form
    10,143.93/15,214.94 = 7,195.02/x
  3. Step 3: Cross multiply
    10,143.93x = 15,214.94 × 7,195.02
  4. Step 4: Simplify right side
    10,143.93x = 109,471,797.60
  5. Step 5: Solve for x
    x = 109,471,797.60/10,143.93
  6. Step 6: Final answer
    x = 10,791.85

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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.