Home / 7,456.71-11,178.11-2,522.91

Finding the Fourth Proportional to 7,456.71, 11,178.11 and 2,522.91

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Solution

The fourth proportional to 7,456.71, 11,178.11 and 2,522.91 is: 3,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.71 : 11,178.11 = 2,522.91 : x
  2. Step 2: Convert to fraction form
    7,456.71/11,178.11 = 2,522.91/x
  3. Step 3: Cross multiply
    7,456.71x = 11,178.11 × 2,522.91
  4. Step 4: Simplify right side
    7,456.71x = 28,201,352.89
  5. Step 5: Solve for x
    x = 28,201,352.89/7,456.71
  6. Step 6: Final answer
    x = 3,782.01

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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.