Home / 6,780.11-10,153.62-4,694.22

Finding the Fourth Proportional to 6,780.11, 10,153.62 and 4,694.22

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Solution

The fourth proportional to 6,780.11, 10,153.62 and 4,694.22 is: 7,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.11 : 10,153.62 = 4,694.22 : x
  2. Step 2: Convert to fraction form
    6,780.11/10,153.62 = 4,694.22/x
  3. Step 3: Cross multiply
    6,780.11x = 10,153.62 × 4,694.22
  4. Step 4: Simplify right side
    6,780.11x = 47,663,326.08
  5. Step 5: Solve for x
    x = 47,663,326.08/6,780.11
  6. Step 6: Final answer
    x = 7,029.88

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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.