Home / 10,321.21-15,476.35-4,080.97

Finding the Fourth Proportional to 10,321.21, 15,476.35 and 4,080.97

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Solution

The fourth proportional to 10,321.21, 15,476.35 and 4,080.97 is: 6,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.21 : 15,476.35 = 4,080.97 : x
  2. Step 2: Convert to fraction form
    10,321.21/15,476.35 = 4,080.97/x
  3. Step 3: Cross multiply
    10,321.21x = 15,476.35 × 4,080.97
  4. Step 4: Simplify right side
    10,321.21x = 63,158,520.06
  5. Step 5: Solve for x
    x = 63,158,520.06/10,321.21
  6. Step 6: Final answer
    x = 6,119.29

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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.