Home / 11,010.62-15,188.31-7,027.25

Finding the Fourth Proportional to 11,010.62, 15,188.31 and 7,027.25

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Solution

The fourth proportional to 11,010.62, 15,188.31 and 7,027.25 is: 9,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.62 : 15,188.31 = 7,027.25 : x
  2. Step 2: Convert to fraction form
    11,010.62/15,188.31 = 7,027.25/x
  3. Step 3: Cross multiply
    11,010.62x = 15,188.31 × 7,027.25
  4. Step 4: Simplify right side
    11,010.62x = 106,731,975.51
  5. Step 5: Solve for x
    x = 106,731,975.51/11,010.62
  6. Step 6: Final answer
    x = 9,693.55

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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.