Home / 11,637.84-17,456.44-2,872.56

Finding the Fourth Proportional to 11,637.84, 17,456.44 and 2,872.56

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Solution

The fourth proportional to 11,637.84, 17,456.44 and 2,872.56 is: 4,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.84 : 17,456.44 = 2,872.56 : x
  2. Step 2: Convert to fraction form
    11,637.84/17,456.44 = 2,872.56/x
  3. Step 3: Cross multiply
    11,637.84x = 17,456.44 × 2,872.56
  4. Step 4: Simplify right side
    11,637.84x = 50,144,671.29
  5. Step 5: Solve for x
    x = 50,144,671.29/11,637.84
  6. Step 6: Final answer
    x = 4,308.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.