Home / 7,620.12-10,514.07-4,824

Finding the Fourth Proportional to 7,620.12, 10,514.07 and 4,824

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Solution

The fourth proportional to 7,620.12, 10,514.07 and 4,824 is: 6,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.12 : 10,514.07 = 4,824 : x
  2. Step 2: Convert to fraction form
    7,620.12/10,514.07 = 4,824/x
  3. Step 3: Cross multiply
    7,620.12x = 10,514.07 × 4,824
  4. Step 4: Simplify right side
    7,620.12x = 50,719,873.68
  5. Step 5: Solve for x
    x = 50,719,873.68/7,620.12
  6. Step 6: Final answer
    x = 6,656.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.