Home / 12,024.11-18,039.49-5,007.42

Finding the Fourth Proportional to 12,024.11, 18,039.49 and 5,007.42

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Solution

The fourth proportional to 12,024.11, 18,039.49 and 5,007.42 is: 7,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.11 : 18,039.49 = 5,007.42 : x
  2. Step 2: Convert to fraction form
    12,024.11/18,039.49 = 5,007.42/x
  3. Step 3: Cross multiply
    12,024.11x = 18,039.49 × 5,007.42
  4. Step 4: Simplify right side
    12,024.11x = 90,331,277.98
  5. Step 5: Solve for x
    x = 90,331,277.98/12,024.11
  6. Step 6: Final answer
    x = 7,512.52

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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.