Home / 8,013.97-11,000.42-7,110.01

Finding the Fourth Proportional to 8,013.97, 11,000.42 and 7,110.01

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Solution

The fourth proportional to 8,013.97, 11,000.42 and 7,110.01 is: 9,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.97 : 11,000.42 = 7,110.01 : x
  2. Step 2: Convert to fraction form
    8,013.97/11,000.42 = 7,110.01/x
  3. Step 3: Cross multiply
    8,013.97x = 11,000.42 × 7,110.01
  4. Step 4: Simplify right side
    8,013.97x = 78,213,096.20
  5. Step 5: Solve for x
    x = 78,213,096.20/8,013.97
  6. Step 6: Final answer
    x = 9,759.59

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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.