Home / 10,231.30-15,347.04-3,652.89

Finding the Fourth Proportional to 10,231.30, 15,347.04 and 3,652.89

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Solution

The fourth proportional to 10,231.30, 15,347.04 and 3,652.89 is: 5,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.30 : 15,347.04 = 3,652.89 : x
  2. Step 2: Convert to fraction form
    10,231.30/15,347.04 = 3,652.89/x
  3. Step 3: Cross multiply
    10,231.30x = 15,347.04 × 3,652.89
  4. Step 4: Simplify right side
    10,231.30x = 56,061,048.95
  5. Step 5: Solve for x
    x = 56,061,048.95/10,231.30
  6. Step 6: Final answer
    x = 5,479.37

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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.