Home / 8,088.45-11,089.26-7,940.82

Finding the Fourth Proportional to 8,088.45, 11,089.26 and 7,940.82

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Solution

The fourth proportional to 8,088.45, 11,089.26 and 7,940.82 is: 10,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.45 : 11,089.26 = 7,940.82 : x
  2. Step 2: Convert to fraction form
    8,088.45/11,089.26 = 7,940.82/x
  3. Step 3: Cross multiply
    8,088.45x = 11,089.26 × 7,940.82
  4. Step 4: Simplify right side
    8,088.45x = 88,057,817.59
  5. Step 5: Solve for x
    x = 88,057,817.59/8,088.45
  6. Step 6: Final answer
    x = 10,886.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.