Home / 10,155.66-15,195.21-5,997.93

Finding the Fourth Proportional to 10,155.66, 15,195.21 and 5,997.93

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Solution

The fourth proportional to 10,155.66, 15,195.21 and 5,997.93 is: 8,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.66 : 15,195.21 = 5,997.93 : x
  2. Step 2: Convert to fraction form
    10,155.66/15,195.21 = 5,997.93/x
  3. Step 3: Cross multiply
    10,155.66x = 15,195.21 × 5,997.93
  4. Step 4: Simplify right side
    10,155.66x = 91,139,805.92
  5. Step 5: Solve for x
    x = 91,139,805.92/10,155.66
  6. Step 6: Final answer
    x = 8,974.29

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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.