Home / 9,176.67-12,663.86-5,399.97

Finding the Fourth Proportional to 9,176.67, 12,663.86 and 5,399.97

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Solution

The fourth proportional to 9,176.67, 12,663.86 and 5,399.97 is: 7,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.67 : 12,663.86 = 5,399.97 : x
  2. Step 2: Convert to fraction form
    9,176.67/12,663.86 = 5,399.97/x
  3. Step 3: Cross multiply
    9,176.67x = 12,663.86 × 5,399.97
  4. Step 4: Simplify right side
    9,176.67x = 68,384,437.08
  5. Step 5: Solve for x
    x = 68,384,437.08/9,176.67
  6. Step 6: Final answer
    x = 7,451.99

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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.