Home / 7,869.24-11,805.84-2,675.16

Finding the Fourth Proportional to 7,869.24, 11,805.84 and 2,675.16

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Solution

The fourth proportional to 7,869.24, 11,805.84 and 2,675.16 is: 4,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.24 : 11,805.84 = 2,675.16 : x
  2. Step 2: Convert to fraction form
    7,869.24/11,805.84 = 2,675.16/x
  3. Step 3: Cross multiply
    7,869.24x = 11,805.84 × 2,675.16
  4. Step 4: Simplify right side
    7,869.24x = 31,582,510.93
  5. Step 5: Solve for x
    x = 31,582,510.93/7,869.24
  6. Step 6: Final answer
    x = 4,013.41

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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.