Home / 7,262.48-10,021.92-4,118.88

Finding the Fourth Proportional to 7,262.48, 10,021.92 and 4,118.88

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Solution

The fourth proportional to 7,262.48, 10,021.92 and 4,118.88 is: 5,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.48 : 10,021.92 = 4,118.88 : x
  2. Step 2: Convert to fraction form
    7,262.48/10,021.92 = 4,118.88/x
  3. Step 3: Cross multiply
    7,262.48x = 10,021.92 × 4,118.88
  4. Step 4: Simplify right side
    7,262.48x = 41,279,085.85
  5. Step 5: Solve for x
    x = 41,279,085.85/7,262.48
  6. Step 6: Final answer
    x = 5,683.88

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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.