Home / 13,076.11-18,042.10-7,410.37

Finding the Fourth Proportional to 13,076.11, 18,042.10 and 7,410.37

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Solution

The fourth proportional to 13,076.11, 18,042.10 and 7,410.37 is: 10,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.11 : 18,042.10 = 7,410.37 : x
  2. Step 2: Convert to fraction form
    13,076.11/18,042.10 = 7,410.37/x
  3. Step 3: Cross multiply
    13,076.11x = 18,042.10 × 7,410.37
  4. Step 4: Simplify right side
    13,076.11x = 133,698,636.58
  5. Step 5: Solve for x
    x = 133,698,636.58/13,076.11
  6. Step 6: Final answer
    x = 10,224.65

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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.