Home / 12,376.33-17,076.35-6,998.87

Finding the Fourth Proportional to 12,376.33, 17,076.35 and 6,998.87

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Solution

The fourth proportional to 12,376.33, 17,076.35 and 6,998.87 is: 9,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.33 : 17,076.35 = 6,998.87 : x
  2. Step 2: Convert to fraction form
    12,376.33/17,076.35 = 6,998.87/x
  3. Step 3: Cross multiply
    12,376.33x = 17,076.35 × 6,998.87
  4. Step 4: Simplify right side
    12,376.33x = 119,515,213.91
  5. Step 5: Solve for x
    x = 119,515,213.91/12,376.33
  6. Step 6: Final answer
    x = 9,656.76

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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.