Home / 12,010.68-18,025.26-7,849.56

Finding the Fourth Proportional to 12,010.68, 18,025.26 and 7,849.56

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Solution

The fourth proportional to 12,010.68, 18,025.26 and 7,849.56 is: 11,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.68 : 18,025.26 = 7,849.56 : x
  2. Step 2: Convert to fraction form
    12,010.68/18,025.26 = 7,849.56/x
  3. Step 3: Cross multiply
    12,010.68x = 18,025.26 × 7,849.56
  4. Step 4: Simplify right side
    12,010.68x = 141,490,359.89
  5. Step 5: Solve for x
    x = 141,490,359.89/12,010.68
  6. Step 6: Final answer
    x = 11,780.38

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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.