Home / 8,010.03-11,047.59-5,139.03

Finding the Fourth Proportional to 8,010.03, 11,047.59 and 5,139.03

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Solution

The fourth proportional to 8,010.03, 11,047.59 and 5,139.03 is: 7,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.03 : 11,047.59 = 5,139.03 : x
  2. Step 2: Convert to fraction form
    8,010.03/11,047.59 = 5,139.03/x
  3. Step 3: Cross multiply
    8,010.03x = 11,047.59 × 5,139.03
  4. Step 4: Simplify right side
    8,010.03x = 56,773,896.44
  5. Step 5: Solve for x
    x = 56,773,896.44/8,010.03
  6. Step 6: Final answer
    x = 7,087.85

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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.