Home / 13,072.93-19,608.86-3,712.91

Finding the Fourth Proportional to 13,072.93, 19,608.86 and 3,712.91

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Solution

The fourth proportional to 13,072.93, 19,608.86 and 3,712.91 is: 5,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.93 : 19,608.86 = 3,712.91 : x
  2. Step 2: Convert to fraction form
    13,072.93/19,608.86 = 3,712.91/x
  3. Step 3: Cross multiply
    13,072.93x = 19,608.86 × 3,712.91
  4. Step 4: Simplify right side
    13,072.93x = 72,805,843.62
  5. Step 5: Solve for x
    x = 72,805,843.62/13,072.93
  6. Step 6: Final answer
    x = 5,569.21

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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.