Home / 11,025.89-15,220.40-7,046.09

Finding the Fourth Proportional to 11,025.89, 15,220.40 and 7,046.09

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Solution

The fourth proportional to 11,025.89, 15,220.40 and 7,046.09 is: 9,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.89 : 15,220.40 = 7,046.09 : x
  2. Step 2: Convert to fraction form
    11,025.89/15,220.40 = 7,046.09/x
  3. Step 3: Cross multiply
    11,025.89x = 15,220.40 × 7,046.09
  4. Step 4: Simplify right side
    11,025.89x = 107,244,196.90
  5. Step 5: Solve for x
    x = 107,244,196.90/11,025.89
  6. Step 6: Final answer
    x = 9,726.58

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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.