Home / 10,323.20-15,485.88-3,396.08

Finding the Fourth Proportional to 10,323.20, 15,485.88 and 3,396.08

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Solution

The fourth proportional to 10,323.20, 15,485.88 and 3,396.08 is: 5,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.20 : 15,485.88 = 3,396.08 : x
  2. Step 2: Convert to fraction form
    10,323.20/15,485.88 = 3,396.08/x
  3. Step 3: Cross multiply
    10,323.20x = 15,485.88 × 3,396.08
  4. Step 4: Simplify right side
    10,323.20x = 52,591,287.35
  5. Step 5: Solve for x
    x = 52,591,287.35/10,323.20
  6. Step 6: Final answer
    x = 5,094.48

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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.