Home / 11,475.12-17,213.04-4,080.18

Finding the Fourth Proportional to 11,475.12, 17,213.04 and 4,080.18

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Solution

The fourth proportional to 11,475.12, 17,213.04 and 4,080.18 is: 6,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.12 : 17,213.04 = 4,080.18 : x
  2. Step 2: Convert to fraction form
    11,475.12/17,213.04 = 4,080.18/x
  3. Step 3: Cross multiply
    11,475.12x = 17,213.04 × 4,080.18
  4. Step 4: Simplify right side
    11,475.12x = 70,232,301.55
  5. Step 5: Solve for x
    x = 70,232,301.55/11,475.12
  6. Step 6: Final answer
    x = 6,120.40

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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.