Home / 8,968.32-13,451.96-3,422.23

Finding the Fourth Proportional to 8,968.32, 13,451.96 and 3,422.23

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Solution

The fourth proportional to 8,968.32, 13,451.96 and 3,422.23 is: 5,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.32 : 13,451.96 = 3,422.23 : x
  2. Step 2: Convert to fraction form
    8,968.32/13,451.96 = 3,422.23/x
  3. Step 3: Cross multiply
    8,968.32x = 13,451.96 × 3,422.23
  4. Step 4: Simplify right side
    8,968.32x = 46,035,676.00
  5. Step 5: Solve for x
    x = 46,035,676.00/8,968.32
  6. Step 6: Final answer
    x = 5,133.14

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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.