Home / 12,571.93-17,350.19-7,792.81

Finding the Fourth Proportional to 12,571.93, 17,350.19 and 7,792.81

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Solution

The fourth proportional to 12,571.93, 17,350.19 and 7,792.81 is: 10,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.93 : 17,350.19 = 7,792.81 : x
  2. Step 2: Convert to fraction form
    12,571.93/17,350.19 = 7,792.81/x
  3. Step 3: Cross multiply
    12,571.93x = 17,350.19 × 7,792.81
  4. Step 4: Simplify right side
    12,571.93x = 135,206,734.13
  5. Step 5: Solve for x
    x = 135,206,734.13/12,571.93
  6. Step 6: Final answer
    x = 10,754.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.