Home / 12,450.86-18,676.52-3,686.01

Finding the Fourth Proportional to 12,450.86, 18,676.52 and 3,686.01

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Solution

The fourth proportional to 12,450.86, 18,676.52 and 3,686.01 is: 5,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.86 : 18,676.52 = 3,686.01 : x
  2. Step 2: Convert to fraction form
    12,450.86/18,676.52 = 3,686.01/x
  3. Step 3: Cross multiply
    12,450.86x = 18,676.52 × 3,686.01
  4. Step 4: Simplify right side
    12,450.86x = 68,841,785.57
  5. Step 5: Solve for x
    x = 68,841,785.57/12,450.86
  6. Step 6: Final answer
    x = 5,529.08

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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.