Home / 8,148.52-11,232.68-6,377.04

Finding the Fourth Proportional to 8,148.52, 11,232.68 and 6,377.04

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Solution

The fourth proportional to 8,148.52, 11,232.68 and 6,377.04 is: 8,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.52 : 11,232.68 = 6,377.04 : x
  2. Step 2: Convert to fraction form
    8,148.52/11,232.68 = 6,377.04/x
  3. Step 3: Cross multiply
    8,148.52x = 11,232.68 × 6,377.04
  4. Step 4: Simplify right side
    8,148.52x = 71,631,249.67
  5. Step 5: Solve for x
    x = 71,631,249.67/8,148.52
  6. Step 6: Final answer
    x = 8,790.71

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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.