Home / 7,653.24-11,478.42-2,722.86

Finding the Fourth Proportional to 7,653.24, 11,478.42 and 2,722.86

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Solution

The fourth proportional to 7,653.24, 11,478.42 and 2,722.86 is: 4,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.24 : 11,478.42 = 2,722.86 : x
  2. Step 2: Convert to fraction form
    7,653.24/11,478.42 = 2,722.86/x
  3. Step 3: Cross multiply
    7,653.24x = 11,478.42 × 2,722.86
  4. Step 4: Simplify right side
    7,653.24x = 31,254,130.68
  5. Step 5: Solve for x
    x = 31,254,130.68/7,653.24
  6. Step 6: Final answer
    x = 4,083.78

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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.