Home / 11,992.11-16,549.67-6,686.95

Finding the Fourth Proportional to 11,992.11, 16,549.67 and 6,686.95

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Solution

The fourth proportional to 11,992.11, 16,549.67 and 6,686.95 is: 9,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.11 : 16,549.67 = 6,686.95 : x
  2. Step 2: Convert to fraction form
    11,992.11/16,549.67 = 6,686.95/x
  3. Step 3: Cross multiply
    11,992.11x = 16,549.67 × 6,686.95
  4. Step 4: Simplify right side
    11,992.11x = 110,666,815.81
  5. Step 5: Solve for x
    x = 110,666,815.81/11,992.11
  6. Step 6: Final answer
    x = 9,228.30

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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.