Home / 7,551.32-11,315.38-3,166.36

Finding the Fourth Proportional to 7,551.32, 11,315.38 and 3,166.36

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Solution

The fourth proportional to 7,551.32, 11,315.38 and 3,166.36 is: 4,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.32 : 11,315.38 = 3,166.36 : x
  2. Step 2: Convert to fraction form
    7,551.32/11,315.38 = 3,166.36/x
  3. Step 3: Cross multiply
    7,551.32x = 11,315.38 × 3,166.36
  4. Step 4: Simplify right side
    7,551.32x = 35,828,566.62
  5. Step 5: Solve for x
    x = 35,828,566.62/7,551.32
  6. Step 6: Final answer
    x = 4,744.68

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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.