Home / 10,568.90-15,859.92-3,994.22

Finding the Fourth Proportional to 10,568.90, 15,859.92 and 3,994.22

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Solution

The fourth proportional to 10,568.90, 15,859.92 and 3,994.22 is: 5,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.90 : 15,859.92 = 3,994.22 : x
  2. Step 2: Convert to fraction form
    10,568.90/15,859.92 = 3,994.22/x
  3. Step 3: Cross multiply
    10,568.90x = 15,859.92 × 3,994.22
  4. Step 4: Simplify right side
    10,568.90x = 63,348,009.66
  5. Step 5: Solve for x
    x = 63,348,009.66/10,568.90
  6. Step 6: Final answer
    x = 5,993.81

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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.