Home / 11,993.47-16,551.10-6,616.11

Finding the Fourth Proportional to 11,993.47, 16,551.10 and 6,616.11

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Solution

The fourth proportional to 11,993.47, 16,551.10 and 6,616.11 is: 9,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.47 : 16,551.10 = 6,616.11 : x
  2. Step 2: Convert to fraction form
    11,993.47/16,551.10 = 6,616.11/x
  3. Step 3: Cross multiply
    11,993.47x = 16,551.10 × 6,616.11
  4. Step 4: Simplify right side
    11,993.47x = 109,503,968.56
  5. Step 5: Solve for x
    x = 109,503,968.56/11,993.47
  6. Step 6: Final answer
    x = 9,130.30

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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.