Home / 9,186.74-13,780.02-2,612.06

Finding the Fourth Proportional to 9,186.74, 13,780.02 and 2,612.06

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Solution

The fourth proportional to 9,186.74, 13,780.02 and 2,612.06 is: 3,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.74 : 13,780.02 = 2,612.06 : x
  2. Step 2: Convert to fraction form
    9,186.74/13,780.02 = 2,612.06/x
  3. Step 3: Cross multiply
    9,186.74x = 13,780.02 × 2,612.06
  4. Step 4: Simplify right side
    9,186.74x = 35,994,239.04
  5. Step 5: Solve for x
    x = 35,994,239.04/9,186.74
  6. Step 6: Final answer
    x = 3,918.06

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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.