Home / 7,711.09-11,566.73-2,713.61

Finding the Fourth Proportional to 7,711.09, 11,566.73 and 2,713.61

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Solution

The fourth proportional to 7,711.09, 11,566.73 and 2,713.61 is: 4,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.09 : 11,566.73 = 2,713.61 : x
  2. Step 2: Convert to fraction form
    7,711.09/11,566.73 = 2,713.61/x
  3. Step 3: Cross multiply
    7,711.09x = 11,566.73 × 2,713.61
  4. Step 4: Simplify right side
    7,711.09x = 31,387,623.11
  5. Step 5: Solve for x
    x = 31,387,623.11/7,711.09
  6. Step 6: Final answer
    x = 4,070.45

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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.