Home / 7,687.88-11,535.47-4,574.04

Finding the Fourth Proportional to 7,687.88, 11,535.47 and 4,574.04

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Solution

The fourth proportional to 7,687.88, 11,535.47 and 4,574.04 is: 6,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.88 : 11,535.47 = 4,574.04 : x
  2. Step 2: Convert to fraction form
    7,687.88/11,535.47 = 4,574.04/x
  3. Step 3: Cross multiply
    7,687.88x = 11,535.47 × 4,574.04
  4. Step 4: Simplify right side
    7,687.88x = 52,763,620.65
  5. Step 5: Solve for x
    x = 52,763,620.65/7,687.88
  6. Step 6: Final answer
    x = 6,863.22

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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.