Home / 7,928.55-11,892.83-6,632.55

Finding the Fourth Proportional to 7,928.55, 11,892.83 and 6,632.55

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Solution

The fourth proportional to 7,928.55, 11,892.83 and 6,632.55 is: 9,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.55 : 11,892.83 = 6,632.55 : x
  2. Step 2: Convert to fraction form
    7,928.55/11,892.83 = 6,632.55/x
  3. Step 3: Cross multiply
    7,928.55x = 11,892.83 × 6,632.55
  4. Step 4: Simplify right side
    7,928.55x = 78,879,756.45
  5. Step 5: Solve for x
    x = 78,879,756.45/7,928.55
  6. Step 6: Final answer
    x = 9,948.83

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Similar ratio
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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.