Home / 7,247.30-10,855.31-4,894.38

Finding the Fourth Proportional to 7,247.30, 10,855.31 and 4,894.38

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Solution

The fourth proportional to 7,247.30, 10,855.31 and 4,894.38 is: 7,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.30 : 10,855.31 = 4,894.38 : x
  2. Step 2: Convert to fraction form
    7,247.30/10,855.31 = 4,894.38/x
  3. Step 3: Cross multiply
    7,247.30x = 10,855.31 × 4,894.38
  4. Step 4: Simplify right side
    7,247.30x = 53,129,987.69
  5. Step 5: Solve for x
    x = 53,129,987.69/7,247.30
  6. Step 6: Final answer
    x = 7,331.01

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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.