Home / 13,076.66-18,046.14-7,108.73

Finding the Fourth Proportional to 13,076.66, 18,046.14 and 7,108.73

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Solution

The fourth proportional to 13,076.66, 18,046.14 and 7,108.73 is: 9,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.66 : 18,046.14 = 7,108.73 : x
  2. Step 2: Convert to fraction form
    13,076.66/18,046.14 = 7,108.73/x
  3. Step 3: Cross multiply
    13,076.66x = 18,046.14 × 7,108.73
  4. Step 4: Simplify right side
    13,076.66x = 128,285,046.57
  5. Step 5: Solve for x
    x = 128,285,046.57/13,076.66
  6. Step 6: Final answer
    x = 9,810.23

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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.