Home / 7,843.07-10,823.73-4,306.61

Finding the Fourth Proportional to 7,843.07, 10,823.73 and 4,306.61

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Solution

The fourth proportional to 7,843.07, 10,823.73 and 4,306.61 is: 5,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.07 : 10,823.73 = 4,306.61 : x
  2. Step 2: Convert to fraction form
    7,843.07/10,823.73 = 4,306.61/x
  3. Step 3: Cross multiply
    7,843.07x = 10,823.73 × 4,306.61
  4. Step 4: Simplify right side
    7,843.07x = 46,613,583.86
  5. Step 5: Solve for x
    x = 46,613,583.86/7,843.07
  6. Step 6: Final answer
    x = 5,943.28

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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.