Home / 7,131.20-9,843.53-4,900.46

Finding the Fourth Proportional to 7,131.20, 9,843.53 and 4,900.46

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Solution

The fourth proportional to 7,131.20, 9,843.53 and 4,900.46 is: 6,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.20 : 9,843.53 = 4,900.46 : x
  2. Step 2: Convert to fraction form
    7,131.20/9,843.53 = 4,900.46/x
  3. Step 3: Cross multiply
    7,131.20x = 9,843.53 × 4,900.46
  4. Step 4: Simplify right side
    7,131.20x = 48,237,751.30
  5. Step 5: Solve for x
    x = 48,237,751.30/7,131.20
  6. Step 6: Final answer
    x = 6,764.33

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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.