Home / 13,076.97-18,046.33-7,108.65

Finding the Fourth Proportional to 13,076.97, 18,046.33 and 7,108.65

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Solution

The fourth proportional to 13,076.97, 18,046.33 and 7,108.65 is: 9,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.97 : 18,046.33 = 7,108.65 : x
  2. Step 2: Convert to fraction form
    13,076.97/18,046.33 = 7,108.65/x
  3. Step 3: Cross multiply
    13,076.97x = 18,046.33 × 7,108.65
  4. Step 4: Simplify right side
    13,076.97x = 128,285,043.75
  5. Step 5: Solve for x
    x = 128,285,043.75/13,076.97
  6. Step 6: Final answer
    x = 9,810.00

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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.