Home / 11,850.81-17,777.12-3,530.18

Finding the Fourth Proportional to 11,850.81, 17,777.12 and 3,530.18

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Solution

The fourth proportional to 11,850.81, 17,777.12 and 3,530.18 is: 5,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.81 : 17,777.12 = 3,530.18 : x
  2. Step 2: Convert to fraction form
    11,850.81/17,777.12 = 3,530.18/x
  3. Step 3: Cross multiply
    11,850.81x = 17,777.12 × 3,530.18
  4. Step 4: Simplify right side
    11,850.81x = 62,756,480.13
  5. Step 5: Solve for x
    x = 62,756,480.13/11,850.81
  6. Step 6: Final answer
    x = 5,295.55

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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.