Home / 6,720.44-10,080.12-4,248.05

Finding the Fourth Proportional to 6,720.44, 10,080.12 and 4,248.05

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Solution

The fourth proportional to 6,720.44, 10,080.12 and 4,248.05 is: 6,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.44 : 10,080.12 = 4,248.05 : x
  2. Step 2: Convert to fraction form
    6,720.44/10,080.12 = 4,248.05/x
  3. Step 3: Cross multiply
    6,720.44x = 10,080.12 × 4,248.05
  4. Step 4: Simplify right side
    6,720.44x = 42,820,853.77
  5. Step 5: Solve for x
    x = 42,820,853.77/6,720.44
  6. Step 6: Final answer
    x = 6,371.73

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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.