Home / 12,391.68-18,592.97-5,010.56

Finding the Fourth Proportional to 12,391.68, 18,592.97 and 5,010.56

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Solution

The fourth proportional to 12,391.68, 18,592.97 and 5,010.56 is: 7,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.68 : 18,592.97 = 5,010.56 : x
  2. Step 2: Convert to fraction form
    12,391.68/18,592.97 = 5,010.56/x
  3. Step 3: Cross multiply
    12,391.68x = 18,592.97 × 5,010.56
  4. Step 4: Simplify right side
    12,391.68x = 93,161,073.75
  5. Step 5: Solve for x
    x = 93,161,073.75/12,391.68
  6. Step 6: Final answer
    x = 7,518.03

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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.