Home / 10,811.16-16,220.66-4,241.84

Finding the Fourth Proportional to 10,811.16, 16,220.66 and 4,241.84

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Solution

The fourth proportional to 10,811.16, 16,220.66 and 4,241.84 is: 6,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.16 : 16,220.66 = 4,241.84 : x
  2. Step 2: Convert to fraction form
    10,811.16/16,220.66 = 4,241.84/x
  3. Step 3: Cross multiply
    10,811.16x = 16,220.66 × 4,241.84
  4. Step 4: Simplify right side
    10,811.16x = 68,805,342.10
  5. Step 5: Solve for x
    x = 68,805,342.10/10,811.16
  6. Step 6: Final answer
    x = 6,364.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.