Home / 7,843.41-10,823.85-4,306.55

Finding the Fourth Proportional to 7,843.41, 10,823.85 and 4,306.55

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Solution

The fourth proportional to 7,843.41, 10,823.85 and 4,306.55 is: 5,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.41 : 10,823.85 = 4,306.55 : x
  2. Step 2: Convert to fraction form
    7,843.41/10,823.85 = 4,306.55/x
  3. Step 3: Cross multiply
    7,843.41x = 10,823.85 × 4,306.55
  4. Step 4: Simplify right side
    7,843.41x = 46,613,397.10
  5. Step 5: Solve for x
    x = 46,613,397.10/7,843.41
  6. Step 6: Final answer
    x = 5,943.00

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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.