Home / 9,175.56-12,647.52-6,190.44

Finding the Fourth Proportional to 9,175.56, 12,647.52 and 6,190.44

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Solution

The fourth proportional to 9,175.56, 12,647.52 and 6,190.44 is: 8,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.56 : 12,647.52 = 6,190.44 : x
  2. Step 2: Convert to fraction form
    9,175.56/12,647.52 = 6,190.44/x
  3. Step 3: Cross multiply
    9,175.56x = 12,647.52 × 6,190.44
  4. Step 4: Simplify right side
    9,175.56x = 78,293,713.71
  5. Step 5: Solve for x
    x = 78,293,713.71/9,175.56
  6. Step 6: Final answer
    x = 8,532.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.