Home / 12,466.11-18,686.33-5,444.81

Finding the Fourth Proportional to 12,466.11, 18,686.33 and 5,444.81

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Solution

The fourth proportional to 12,466.11, 18,686.33 and 5,444.81 is: 8,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.11 : 18,686.33 = 5,444.81 : x
  2. Step 2: Convert to fraction form
    12,466.11/18,686.33 = 5,444.81/x
  3. Step 3: Cross multiply
    12,466.11x = 18,686.33 × 5,444.81
  4. Step 4: Simplify right side
    12,466.11x = 101,743,516.45
  5. Step 5: Solve for x
    x = 101,743,516.45/12,466.11
  6. Step 6: Final answer
    x = 8,161.61

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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.