Home / 7,600.74-11,402.47-3,218.54

Finding the Fourth Proportional to 7,600.74, 11,402.47 and 3,218.54

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Solution

The fourth proportional to 7,600.74, 11,402.47 and 3,218.54 is: 4,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.74 : 11,402.47 = 3,218.54 : x
  2. Step 2: Convert to fraction form
    7,600.74/11,402.47 = 3,218.54/x
  3. Step 3: Cross multiply
    7,600.74x = 11,402.47 × 3,218.54
  4. Step 4: Simplify right side
    7,600.74x = 36,699,252.80
  5. Step 5: Solve for x
    x = 36,699,252.80/7,600.74
  6. Step 6: Final answer
    x = 4,828.38

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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.