Home / 12,275.03-18,412.62-5,249.13

Finding the Fourth Proportional to 12,275.03, 18,412.62 and 5,249.13

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Solution

The fourth proportional to 12,275.03, 18,412.62 and 5,249.13 is: 7,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.03 : 18,412.62 = 5,249.13 : x
  2. Step 2: Convert to fraction form
    12,275.03/18,412.62 = 5,249.13/x
  3. Step 3: Cross multiply
    12,275.03x = 18,412.62 × 5,249.13
  4. Step 4: Simplify right side
    12,275.03x = 96,650,236.02
  5. Step 5: Solve for x
    x = 96,650,236.02/12,275.03
  6. Step 6: Final answer
    x = 7,873.73

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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.