Home / 10,141.24-15,190.66-8,156.14

Finding the Fourth Proportional to 10,141.24, 15,190.66 and 8,156.14

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Solution

The fourth proportional to 10,141.24, 15,190.66 and 8,156.14 is: 12,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.24 : 15,190.66 = 8,156.14 : x
  2. Step 2: Convert to fraction form
    10,141.24/15,190.66 = 8,156.14/x
  3. Step 3: Cross multiply
    10,141.24x = 15,190.66 × 8,156.14
  4. Step 4: Simplify right side
    10,141.24x = 123,897,149.65
  5. Step 5: Solve for x
    x = 123,897,149.65/10,141.24
  6. Step 6: Final answer
    x = 12,217.16

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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.