Home / 7,984.17-11,976.80-2,717.01

Finding the Fourth Proportional to 7,984.17, 11,976.80 and 2,717.01

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Solution

The fourth proportional to 7,984.17, 11,976.80 and 2,717.01 is: 4,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.17 : 11,976.80 = 2,717.01 : x
  2. Step 2: Convert to fraction form
    7,984.17/11,976.80 = 2,717.01/x
  3. Step 3: Cross multiply
    7,984.17x = 11,976.80 × 2,717.01
  4. Step 4: Simplify right side
    7,984.17x = 32,541,071.78
  5. Step 5: Solve for x
    x = 32,541,071.78/7,984.17
  6. Step 6: Final answer
    x = 4,075.70

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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.