Home / 13,072.37-19,608.51-3,712.40

Finding the Fourth Proportional to 13,072.37, 19,608.51 and 3,712.40

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Solution

The fourth proportional to 13,072.37, 19,608.51 and 3,712.40 is: 5,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.37 : 19,608.51 = 3,712.40 : x
  2. Step 2: Convert to fraction form
    13,072.37/19,608.51 = 3,712.40/x
  3. Step 3: Cross multiply
    13,072.37x = 19,608.51 × 3,712.40
  4. Step 4: Simplify right side
    13,072.37x = 72,794,534.48
  5. Step 5: Solve for x
    x = 72,794,534.48/13,072.37
  6. Step 6: Final answer
    x = 5,568.58

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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.