Home / 11,979.99-16,531.92-6,674.67

Finding the Fourth Proportional to 11,979.99, 16,531.92 and 6,674.67

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Solution

The fourth proportional to 11,979.99, 16,531.92 and 6,674.67 is: 9,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.99 : 16,531.92 = 6,674.67 : x
  2. Step 2: Convert to fraction form
    11,979.99/16,531.92 = 6,674.67/x
  3. Step 3: Cross multiply
    11,979.99x = 16,531.92 × 6,674.67
  4. Step 4: Simplify right side
    11,979.99x = 110,345,110.47
  5. Step 5: Solve for x
    x = 110,345,110.47/11,979.99
  6. Step 6: Final answer
    x = 9,210.78

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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.