Home / 12,048.15-18,076.21-7,600.68

Finding the Fourth Proportional to 12,048.15, 18,076.21 and 7,600.68

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Solution

The fourth proportional to 12,048.15, 18,076.21 and 7,600.68 is: 11,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.15 : 18,076.21 = 7,600.68 : x
  2. Step 2: Convert to fraction form
    12,048.15/18,076.21 = 7,600.68/x
  3. Step 3: Cross multiply
    12,048.15x = 18,076.21 × 7,600.68
  4. Step 4: Simplify right side
    12,048.15x = 137,391,487.82
  5. Step 5: Solve for x
    x = 137,391,487.82/12,048.15
  6. Step 6: Final answer
    x = 11,403.53

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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.