Home / 10,289.61-14,198.96-5,812.49

Finding the Fourth Proportional to 10,289.61, 14,198.96 and 5,812.49

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Solution

The fourth proportional to 10,289.61, 14,198.96 and 5,812.49 is: 8,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.61 : 14,198.96 = 5,812.49 : x
  2. Step 2: Convert to fraction form
    10,289.61/14,198.96 = 5,812.49/x
  3. Step 3: Cross multiply
    10,289.61x = 14,198.96 × 5,812.49
  4. Step 4: Simplify right side
    10,289.61x = 82,531,212.95
  5. Step 5: Solve for x
    x = 82,531,212.95/10,289.61
  6. Step 6: Final answer
    x = 8,020.83

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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.