Home / 11,803.97-16,287.41-7,088.36

Finding the Fourth Proportional to 11,803.97, 16,287.41 and 7,088.36

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Solution

The fourth proportional to 11,803.97, 16,287.41 and 7,088.36 is: 9,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.97 : 16,287.41 = 7,088.36 : x
  2. Step 2: Convert to fraction form
    11,803.97/16,287.41 = 7,088.36/x
  3. Step 3: Cross multiply
    11,803.97x = 16,287.41 × 7,088.36
  4. Step 4: Simplify right side
    11,803.97x = 115,450,961.83
  5. Step 5: Solve for x
    x = 115,450,961.83/11,803.97
  6. Step 6: Final answer
    x = 9,780.69

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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.