Home / 10,272.44-15,399.74-5,000.12

Finding the Fourth Proportional to 10,272.44, 15,399.74 and 5,000.12

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Solution

The fourth proportional to 10,272.44, 15,399.74 and 5,000.12 is: 7,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.44 : 15,399.74 = 5,000.12 : x
  2. Step 2: Convert to fraction form
    10,272.44/15,399.74 = 5,000.12/x
  3. Step 3: Cross multiply
    10,272.44x = 15,399.74 × 5,000.12
  4. Step 4: Simplify right side
    10,272.44x = 77,000,445.97
  5. Step 5: Solve for x
    x = 77,000,445.97/10,272.44
  6. Step 6: Final answer
    x = 7,495.83

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1.5x scale

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.