Home / 10,080.18-15,116.40-3,504.60

Finding the Fourth Proportional to 10,080.18, 15,116.40 and 3,504.60

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Solution

The fourth proportional to 10,080.18, 15,116.40 and 3,504.60 is: 5,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.18 : 15,116.40 = 3,504.60 : x
  2. Step 2: Convert to fraction form
    10,080.18/15,116.40 = 3,504.60/x
  3. Step 3: Cross multiply
    10,080.18x = 15,116.40 × 3,504.60
  4. Step 4: Simplify right side
    10,080.18x = 52,976,935.44
  5. Step 5: Solve for x
    x = 52,976,935.44/10,080.18
  6. Step 6: Final answer
    x = 5,255.55

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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.