Home / 12,568.51-18,850.69-4,248.33

Finding the Fourth Proportional to 12,568.51, 18,850.69 and 4,248.33

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Solution

The fourth proportional to 12,568.51, 18,850.69 and 4,248.33 is: 6,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.51 : 18,850.69 = 4,248.33 : x
  2. Step 2: Convert to fraction form
    12,568.51/18,850.69 = 4,248.33/x
  3. Step 3: Cross multiply
    12,568.51x = 18,850.69 × 4,248.33
  4. Step 4: Simplify right side
    12,568.51x = 80,083,941.23
  5. Step 5: Solve for x
    x = 80,083,941.23/12,568.51
  6. Step 6: Final answer
    x = 6,371.79

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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.