Home / 11,028.67-15,215.54-7,253.87

Finding the Fourth Proportional to 11,028.67, 15,215.54 and 7,253.87

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Solution

The fourth proportional to 11,028.67, 15,215.54 and 7,253.87 is: 10,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.67 : 15,215.54 = 7,253.87 : x
  2. Step 2: Convert to fraction form
    11,028.67/15,215.54 = 7,253.87/x
  3. Step 3: Cross multiply
    11,028.67x = 15,215.54 × 7,253.87
  4. Step 4: Simplify right side
    11,028.67x = 110,371,436.79
  5. Step 5: Solve for x
    x = 110,371,436.79/11,028.67
  6. Step 6: Final answer
    x = 10,007.69

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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.