Home / 11,195.68-15,451.55-6,480.27

Finding the Fourth Proportional to 11,195.68, 15,451.55 and 6,480.27

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Solution

The fourth proportional to 11,195.68, 15,451.55 and 6,480.27 is: 8,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.68 : 15,451.55 = 6,480.27 : x
  2. Step 2: Convert to fraction form
    11,195.68/15,451.55 = 6,480.27/x
  3. Step 3: Cross multiply
    11,195.68x = 15,451.55 × 6,480.27
  4. Step 4: Simplify right side
    11,195.68x = 100,130,215.92
  5. Step 5: Solve for x
    x = 100,130,215.92/11,195.68
  6. Step 6: Final answer
    x = 8,943.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.