Home / 11,204.73-15,462.09-6,489.01

Finding the Fourth Proportional to 11,204.73, 15,462.09 and 6,489.01

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Solution

The fourth proportional to 11,204.73, 15,462.09 and 6,489.01 is: 8,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.73 : 15,462.09 = 6,489.01 : x
  2. Step 2: Convert to fraction form
    11,204.73/15,462.09 = 6,489.01/x
  3. Step 3: Cross multiply
    11,204.73x = 15,462.09 × 6,489.01
  4. Step 4: Simplify right side
    11,204.73x = 100,333,675.96
  5. Step 5: Solve for x
    x = 100,333,675.96/11,204.73
  6. Step 6: Final answer
    x = 8,954.58

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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.