Home / 12,072.85-18,113.22-5,833.58

Finding the Fourth Proportional to 12,072.85, 18,113.22 and 5,833.58

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Solution

The fourth proportional to 12,072.85, 18,113.22 and 5,833.58 is: 8,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.85 : 18,113.22 = 5,833.58 : x
  2. Step 2: Convert to fraction form
    12,072.85/18,113.22 = 5,833.58/x
  3. Step 3: Cross multiply
    12,072.85x = 18,113.22 × 5,833.58
  4. Step 4: Simplify right side
    12,072.85x = 105,664,917.93
  5. Step 5: Solve for x
    x = 105,664,917.93/12,072.85
  6. Step 6: Final answer
    x = 8,752.28

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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.