Home / 8,010.06-11,059.09-7,169.31

Finding the Fourth Proportional to 8,010.06, 11,059.09 and 7,169.31

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Solution

The fourth proportional to 8,010.06, 11,059.09 and 7,169.31 is: 9,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.06 : 11,059.09 = 7,169.31 : x
  2. Step 2: Convert to fraction form
    8,010.06/11,059.09 = 7,169.31/x
  3. Step 3: Cross multiply
    8,010.06x = 11,059.09 × 7,169.31
  4. Step 4: Simplify right side
    8,010.06x = 79,286,026.60
  5. Step 5: Solve for x
    x = 79,286,026.60/8,010.06
  6. Step 6: Final answer
    x = 9,898.31

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Half scale
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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.