Home / 12,033.39-18,042.40-5,780.96

Finding the Fourth Proportional to 12,033.39, 18,042.40 and 5,780.96

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Solution

The fourth proportional to 12,033.39, 18,042.40 and 5,780.96 is: 8,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.39 : 18,042.40 = 5,780.96 : x
  2. Step 2: Convert to fraction form
    12,033.39/18,042.40 = 5,780.96/x
  3. Step 3: Cross multiply
    12,033.39x = 18,042.40 × 5,780.96
  4. Step 4: Simplify right side
    12,033.39x = 104,302,363.80
  5. Step 5: Solve for x
    x = 104,302,363.80/12,033.39
  6. Step 6: Final answer
    x = 8,667.75

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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.