Home / 7,934.29-11,901.61-2,669.36

Finding the Fourth Proportional to 7,934.29, 11,901.61 and 2,669.36

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Solution

The fourth proportional to 7,934.29, 11,901.61 and 2,669.36 is: 4,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.29 : 11,901.61 = 2,669.36 : x
  2. Step 2: Convert to fraction form
    7,934.29/11,901.61 = 2,669.36/x
  3. Step 3: Cross multiply
    7,934.29x = 11,901.61 × 2,669.36
  4. Step 4: Simplify right side
    7,934.29x = 31,769,681.67
  5. Step 5: Solve for x
    x = 31,769,681.67/7,934.29
  6. Step 6: Final answer
    x = 4,004.10

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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.