Home / 8,549.42-11,797.75-6,310.47

Finding the Fourth Proportional to 8,549.42, 11,797.75 and 6,310.47

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Solution

The fourth proportional to 8,549.42, 11,797.75 and 6,310.47 is: 8,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.42 : 11,797.75 = 6,310.47 : x
  2. Step 2: Convert to fraction form
    8,549.42/11,797.75 = 6,310.47/x
  3. Step 3: Cross multiply
    8,549.42x = 11,797.75 × 6,310.47
  4. Step 4: Simplify right side
    8,549.42x = 74,449,399.57
  5. Step 5: Solve for x
    x = 74,449,399.57/8,549.42
  6. Step 6: Final answer
    x = 8,708.13

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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.