Home / 11,993.84-16,551.09-6,616.49

Finding the Fourth Proportional to 11,993.84, 16,551.09 and 6,616.49

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Solution

The fourth proportional to 11,993.84, 16,551.09 and 6,616.49 is: 9,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.84 : 16,551.09 = 6,616.49 : x
  2. Step 2: Convert to fraction form
    11,993.84/16,551.09 = 6,616.49/x
  3. Step 3: Cross multiply
    11,993.84x = 16,551.09 × 6,616.49
  4. Step 4: Simplify right side
    11,993.84x = 109,510,013.91
  5. Step 5: Solve for x
    x = 109,510,013.91/11,993.84
  6. Step 6: Final answer
    x = 9,130.53

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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.