Home / 8,241.81-11,373.71-4,515.81

Finding the Fourth Proportional to 8,241.81, 11,373.71 and 4,515.81

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Solution

The fourth proportional to 8,241.81, 11,373.71 and 4,515.81 is: 6,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.81 : 11,373.71 = 4,515.81 : x
  2. Step 2: Convert to fraction form
    8,241.81/11,373.71 = 4,515.81/x
  3. Step 3: Cross multiply
    8,241.81x = 11,373.71 × 4,515.81
  4. Step 4: Simplify right side
    8,241.81x = 51,361,490.78
  5. Step 5: Solve for x
    x = 51,361,490.78/8,241.81
  6. Step 6: Final answer
    x = 6,231.82

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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.