Home / 7,456.24-11,169.78-6,814.72

Finding the Fourth Proportional to 7,456.24, 11,169.78 and 6,814.72

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Solution

The fourth proportional to 7,456.24, 11,169.78 and 6,814.72 is: 10,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.24 : 11,169.78 = 6,814.72 : x
  2. Step 2: Convert to fraction form
    7,456.24/11,169.78 = 6,814.72/x
  3. Step 3: Cross multiply
    7,456.24x = 11,169.78 × 6,814.72
  4. Step 4: Simplify right side
    7,456.24x = 76,118,923.16
  5. Step 5: Solve for x
    x = 76,118,923.16/7,456.24
  6. Step 6: Final answer
    x = 10,208.75

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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.