Home / 11,579.24-15,979.41-7,332.12

Finding the Fourth Proportional to 11,579.24, 15,979.41 and 7,332.12

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Solution

The fourth proportional to 11,579.24, 15,979.41 and 7,332.12 is: 10,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.24 : 15,979.41 = 7,332.12 : x
  2. Step 2: Convert to fraction form
    11,579.24/15,979.41 = 7,332.12/x
  3. Step 3: Cross multiply
    11,579.24x = 15,979.41 × 7,332.12
  4. Step 4: Simplify right side
    11,579.24x = 117,162,951.65
  5. Step 5: Solve for x
    x = 117,162,951.65/11,579.24
  6. Step 6: Final answer
    x = 10,118.37

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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.