Home / 11,984.68-16,537.35-6,678.82

Finding the Fourth Proportional to 11,984.68, 16,537.35 and 6,678.82

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Solution

The fourth proportional to 11,984.68, 16,537.35 and 6,678.82 is: 9,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.68 : 16,537.35 = 6,678.82 : x
  2. Step 2: Convert to fraction form
    11,984.68/16,537.35 = 6,678.82/x
  3. Step 3: Cross multiply
    11,984.68x = 16,537.35 × 6,678.82
  4. Step 4: Simplify right side
    11,984.68x = 110,449,983.93
  5. Step 5: Solve for x
    x = 110,449,983.93/11,984.68
  6. Step 6: Final answer
    x = 9,215.93

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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.