Home / 10,792.44-14,879.70-7,247.88

Finding the Fourth Proportional to 10,792.44, 14,879.70 and 7,247.88

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Solution

The fourth proportional to 10,792.44, 14,879.70 and 7,247.88 is: 9,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.44 : 14,879.70 = 7,247.88 : x
  2. Step 2: Convert to fraction form
    10,792.44/14,879.70 = 7,247.88/x
  3. Step 3: Cross multiply
    10,792.44x = 14,879.70 × 7,247.88
  4. Step 4: Simplify right side
    10,792.44x = 107,846,280.04
  5. Step 5: Solve for x
    x = 107,846,280.04/10,792.44
  6. Step 6: Final answer
    x = 9,992.76

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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.