Home / 10,080.02-15,120.03-4,882.25

Finding the Fourth Proportional to 10,080.02, 15,120.03 and 4,882.25

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Solution

The fourth proportional to 10,080.02, 15,120.03 and 4,882.25 is: 7,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.02 : 15,120.03 = 4,882.25 : x
  2. Step 2: Convert to fraction form
    10,080.02/15,120.03 = 4,882.25/x
  3. Step 3: Cross multiply
    10,080.02x = 15,120.03 × 4,882.25
  4. Step 4: Simplify right side
    10,080.02x = 73,819,766.47
  5. Step 5: Solve for x
    x = 73,819,766.47/10,080.02
  6. Step 6: Final answer
    x = 7,323.38

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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.