Home / 12,324.93-17,020.83-7,850.70

Finding the Fourth Proportional to 12,324.93, 17,020.83 and 7,850.70

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Solution

The fourth proportional to 12,324.93, 17,020.83 and 7,850.70 is: 10,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.93 : 17,020.83 = 7,850.70 : x
  2. Step 2: Convert to fraction form
    12,324.93/17,020.83 = 7,850.70/x
  3. Step 3: Cross multiply
    12,324.93x = 17,020.83 × 7,850.70
  4. Step 4: Simplify right side
    12,324.93x = 133,625,430.08
  5. Step 5: Solve for x
    x = 133,625,430.08/12,324.93
  6. Step 6: Final answer
    x = 10,841.88

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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.