Home / 12,013.11-16,577.60-8,481.11

Finding the Fourth Proportional to 12,013.11, 16,577.60 and 8,481.11

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Solution

The fourth proportional to 12,013.11, 16,577.60 and 8,481.11 is: 11,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.11 : 16,577.60 = 8,481.11 : x
  2. Step 2: Convert to fraction form
    12,013.11/16,577.60 = 8,481.11/x
  3. Step 3: Cross multiply
    12,013.11x = 16,577.60 × 8,481.11
  4. Step 4: Simplify right side
    12,013.11x = 140,596,323.84
  5. Step 5: Solve for x
    x = 140,596,323.84/12,013.11
  6. Step 6: Final answer
    x = 11,703.57

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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.