Home / 10,148.24-15,222.80-3,906.02

Finding the Fourth Proportional to 10,148.24, 15,222.80 and 3,906.02

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Solution

The fourth proportional to 10,148.24, 15,222.80 and 3,906.02 is: 5,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.24 : 15,222.80 = 3,906.02 : x
  2. Step 2: Convert to fraction form
    10,148.24/15,222.80 = 3,906.02/x
  3. Step 3: Cross multiply
    10,148.24x = 15,222.80 × 3,906.02
  4. Step 4: Simplify right side
    10,148.24x = 59,460,609.08
  5. Step 5: Solve for x
    x = 59,460,609.08/10,148.24
  6. Step 6: Final answer
    x = 5,859.20

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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.